a. 125 : ( 3x - 13 ) = 25
b. 541 + ( 218 + x ) = 735
c. 3( 2x + 1 ) - 19 = 14
Những câu hỏi liên quan
a. 125 : (3x – 13) = 25 b. 541 + (218 – x) = 735
c. 3(2x + 1) – 19 = 14 d. 175 – 5(x + 3) = 85
e. 4x – 40 = |-4| + 12 g. x + 15 = 20 – 4x
h. -16 + 23 + x = - 16 i. 2x – 35 = 15
k. │x - 1│= 0 p. -13 .│x│ = -26
https://i.imgur.com/eAnULvq.jpg
Tìm x biết
A/ 5x-16 =40-1
B/x-10=-25
C/-12+x= -30
D/ 2x +12 = -40+ 6
E/125: (3x-13) =25
F/ 541+(218-x) = 735
G/ 3 (2x+1)-19=14
H/ 175-5 (x+3) = 85
I/ 8x + (-3) =39
L/ 2x+4x=36+(-6)
\(a,5x-16=40-1\)
<=>\(5x=40-1+16\)
<=>\(5x=55\)
<=>\(x=11\)
\(b,x-10=-25\)
<=>\(x=\left(-25\right)-10\)
<=>\(x=-35\)
\(c,-12+x=-30\)
<=>\(x=\left(-30\right)+12\)
<=>\(x=-18\)
a) 5x-16=40-1
5x-16=39
5x=39+16
5x=55
x=55:5
x=11
b)x-10=(-25)
x=(-25)+10
x=(-15)
c) -12+x= -30
x= -30-(-12)
x= -30+12
x= -18
d) 2x +12 = -40+ 6
2x+12=(-34)
2x=(-34)-12
2x=(-46)
x=(-46):2
x=(-23)
e)125:(3x-13)=25
3x-13=125:25
3x-13=5
3x=5+13
3x=18
x=18:3
x=6
f)541+(218-x)=735
218-x=735-541
218-x=194
x=218-194
x= 24
g) 3(2x+1)-19=14
3(2x+1)=14+19
3(2x+1)=33
2x+1=33:3
2x+1=11
2x=11-1
2x=10
x=10:2
x=5
h)175-5(x+3)=85
5(x+3)=175-85
5(x+3)=90
x+3=90:5
x+3=18
x=18-3
x=15
i)8x+(-3)=39
8x=39-(-3)
8x=42
x=42:8
x=42/8
L)2x+4x=36+(-6)
6x=30
x=30:6
x=5
Giúp mình v
Bài10872917292872917 tìm x bt
5x-16=40+x
4x-10=15-x
-12+x=5x-2
7x-4=20+3x
5x-7=20+3x
x+15=7+6x
17-x=7-6x
3x+(-21)=12-8x
125:(3x-13)=25
541+(218-z)=735
3(2x+1)-19=14
175-5(x+3)=85
4x-40=|4|+12
x+15=20-4x
8x+|-3|=-4x+39
6(x-2)+(-2)=20-4x
5x-16=40+x
=> 5x-16-x = 40
=> 5x-x -16=40
4x-16=40
4x= 40+16
4x=56
x= 56:4
x=14
Vậy...
4x-10=15-x
=> 4x-10+x= 15
4x+x -10=15
5x= 15+10
5x= 25
x= 25:5
x=5
Vậy....
5x -16=40+x
=> 5x-x=40+16
=>4x=56
=>x=56:4
x=14
Xem thêm câu trả lời
Bài toán 4 : Tìm x, biêt.
a. 5x – 16 40 + x
b. 4x – 10 15 – x
c. -12 + x 5x – 20
d. 7x – 4 20 + 3x
e. 5x – 7 – 21 – 2x
f. x + 15 7 – 6x
g. 17 – x 7 – 6x
h. 3x + (-21) 12 – 8x
k. 125 : (3x – 13) 25
l. 541 + (218 – x) 735
m. 3(2x + 1) – 19 14
n. 175 – 5(x + 3) 85
o. 4x – 40 |-4| + 12
p. x + 15 20 – 4x
q. 8x + |-3| -4x + 39
r . 6(x – 2) + (-2) 20 – 4x
Đọc tiếp
Bài toán 4 : Tìm x, biêt.
a. 5x – 16 = 40 + x
b. 4x – 10 = 15 – x
c. -12 + x = 5x – 20
d. 7x – 4 = 20 + 3x
e. 5x – 7 = – 21 – 2x
f. x + 15 = 7 – 6x
g. 17 – x = 7 – 6x
h. 3x + (-21) = 12 – 8x
k. 125 : (3x – 13) = 25
l. 541 + (218 – x) = 735
m. 3(2x + 1) – 19 = 14
n. 175 – 5(x + 3) = 85
o. 4x – 40 = |-4| + 12
p. x + 15 = 20 – 4x
q. 8x + |-3| = -4x + 39
r . 6(x – 2) + (-2) = 20 – 4x
- dfhj mình cũng đang vắt hết cả óc ra để nghĩ đây
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a) 5x - 16 = 40 + x
5x -x = 40 +16
4x = 56
x = 56 : 4
x = 14
b, 4x - 10 = 15 - x
4x + x = 15 +10
4x + x = 25
5x = 25
x = 25 : 5
x = 5
Đúng 0
Bình luận (0)
c, -12 + x = 5x - 20
x - 5x = -20 + 12
-4x = -8
x = -8 : (-4)
x = 2
d, 7x - 4 = 20 + 3x
7x - 3x = 20 + 4
4x = 24
x = 6
x = 7 : (-13)
x = \(\dfrac{-7}{13}\)
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Xem thêm câu trả lời
Giúp mình v Bài10872917292872917 tìm x bt 5x-1640+x 4x-1015-x -12+x5x-2 7x-420+3x 5x-720+3x x+157+6x 17-x7-6x 3x+(-21)12-8x 125:(3x-13)25 541+(218-z)735 3(2x+1)-1914 175-5(x+3)85 4x-40|4|+12 x+1520-4x 8x+|-3|-4x+39 6(x-2)+(-2)20-4x
Đọc tiếp
Giúp mình v
Bài10872917292872917 tìm x bt
5x-16=40+x
4x-10=15-x
-12+x=5x-2
7x-4=20+3x
5x-7=20+3x
x+15=7+6x
17-x=7-6x
3x+(-21)=12-8x
125:(3x-13)=25
541+(218-z)=735
3(2x+1)-19=14
175-5(x+3)=85
4x-40=|4|+12
x+15=20-4x
8x+|-3|=-4x+39
6(x-2)+(-2)=20-4x
x+15=7+6x
15-7=6x-x
8=5x
x=8/5
vậy x=8/5
17-x=7-6x
17-7=-6x+x
10=-5x
x=10:(-5)
x=-2
Vậy x=-2
3x+(-21)=12-8x
3x+8x=12-(-21)
11x=33
x=33:11
x=3
vậy x=3
125:(3x-13)=25
3x-13=125:25
3x-13=5
3x=13+5
3x=15
x=15:3
x=5
Vậy x=5
541+(218-z)=735
218-z=735-541
218-z=194
z=218-194
z=24
Bài10872917292872917 ?
bạn làm ở sách nào vậy ???
sách toán dày 2983659872459784 trang afh :))
Xem thêm câu trả lời
a. 125 : (3x – 13) 25 b. 541 + (218 – x) 735c. 3(2x + 1) – 19 14 d. 175 – 5(x + 3) 85e. 4x – 40 |-4| + 12 g. x + 15 20 – 4xh. -16 + 23 + x - 16 i. 2x – 35 15k. │x - 1│ 0 p. -13 .│x│ -26
Đọc tiếp
a. 125 : (3x – 13) = 25 b. 541 + (218 – x) = 735
c. 3(2x + 1) – 19 = 14 d. 175 – 5(x + 3) = 85
e. 4x – 40 = |-4| + 12 g. x + 15 = 20 – 4x
h. -16 + 23 + x = - 16 i. 2x – 35 = 15
k. │x - 1│= 0 p. -13 .│x│ = -26
đm khó v l
a. 125 : (3x – 13) = 25
=>3x-13 = 125:25
=>3x-13 =5
=>3x=13+5
=>3x=18
x=6
b. 541 + (218 – x) = 735
=>218 - x =735 - 541
=> 218 - x =194
=>x=218-194
x=24
c. 3(2x + 1) – 19 = 14
=> 3(2x + 1) = 14 + 19
=> 3(2x + 1) =33
=>2x+1 =33:3
=>2x+1=11
=> 2x=10
x=5
Xem thêm câu trả lời
Tìm x
A. 31x - 3x -5x +25
B. 15(x -2) + 3(5-1) = -14
C. 4x (41 -52) -35x = -(7-2x)
D. 53 -(3x -17) + 218= 19 + 45x
tìm số nguyên x :a, -2x+15<3x-7<19-x
b, -3.(2x+5)-16<-4.(3-2x)
c,x+(x+1)+(x+2)+(x+3)+....+13+14=14
Bàitoán1 : Tìm x, biêt.a. 5x – 16 40 + xb. 4x – 10 15 – xc. -12 + x 5x – 20d. 7x – 4 20 + 3xe. 5x – 7 – 21 – 2xf. x + 15 7 – 6xg. 17 – x 7 – 6xh. 3x + (-21) 12 – 8xk. 125 : (3x – 13) 25l. 541 + (218 – x) 735m. 3(2x + 1) – 19 14n. 175 – 5(x + 3) 85o. 4x – 40 |-4| + 12p. x + 15 20 – 4xq. 8x + |-3| -4x + 39r. 6(x – 2) + (-2) 20 – 4x
Đọc tiếp
Bàitoán1 : Tìm x, biêt.
a. 5x – 16 = 40 + x
b. 4x – 10 = 15 – x
c. -12 + x = 5x – 20
d. 7x – 4 = 20 + 3x
e. 5x – 7 = – 21 – 2x
f. x + 15 = 7 – 6x
g. 17 – x = 7 – 6x
h. 3x + (-21) = 12 – 8x
k. 125 : (3x – 13) = 25
l. 541 + (218 – x) = 735
m. 3(2x + 1) – 19 = 14
n. 175 – 5(x + 3) = 85
o. 4x – 40 = |-4| + 12
p. x + 15 = 20 – 4x
q. 8x + |-3| = -4x + 39
r. 6(x – 2) + (-2) = 20 – 4x
help meeeeeeeeeeeeeeee
a. 5x-16=40+x <=>5x-x=40+16 <=>4x=56 <=>x=56:4=16 | b. 4x-10=15-x <=>4x+x=15+10 <=>5x=25 <=>x=25:5=5 | c.-12+x=5x-20 <=>5x-x=-12+20 <=>4x=8 <=>x=8:4=2 | d.7x-4=20+3x <=>7x-3x=20+4 <=>4x=24 <=>x=24:4=6 |
e. 5x-7=-21-2x <=>5x+2x=-21+7 <=>7x=-14 <=>x=(-14):7=-2 | f. x+15=7-6x (bó tay) | g. 17-x=7-6x (bó tay) | h.3x+(-21)=12-8x (bó tay) |
l. 541+(218-x)=735 <=>218-x=735-541=194 <=>x=194+218=412 | m.3(2x+1)-19=14 <=>3(2x+1)=14+19=33 <=>2x+1=33:3=11 <=>2x=11-1=10 <=>x=10:2=5 | n.175-5(x+3)=85 <=>5(x+3)=175-85=90 <=>x+3=90:5=14 <=>x=14-3=11 | o. 4x-40= l-4l+12 <=>4x-40=4+12 <=>4x-40=16 <=>4x=16+40=56 <=>x=56:4=15 |
p.x+15=20-4x <=>x+4x=20+15 <=>5x=35 <=>x=35:5=7 | q.8x+l-3l=-4x+39 <=>8x+3=-4x+39 <=>8x+(-4)x=39+3 <=>4x=42 <=>x=42:4=10,5 | r.6(x-2)+(-2)=20-4x <=>6x-6.2+(-2)=20-4x<=>6x-12+(-2)=20-4x<=>6x+4x=20+12+(-2)<=>10x=30 <=>x=30:10=3 | Có mấy câu bó tay, còn lại hơi xấu, thông cảm nhé! Chỗ mình giải đc bạn kiểm tra lại nhen! HỌC TỐT! |