Các câu hỏi tương tự
a) -2 (x+6)+6 (x-10)=8
b) ( x-12)-15=(20-7) - (18-x)
c)2(5+3x)+x=31
d) -x (x+7) ( x-4) =0
e) x-96 = (443 - x) - 15
tìm x
a, x-96=(443-x)-15
b , 7x(-x-10)=0
c. 17*(3x-6)*(2x-8)=0
1.tìm x thuộc z, biết
a. x-96=(443-x)-15 b. (x-12)-15=(20-7)-(18+x)
c. x.(x-10)=0 d. 17.(3x-6).(2x-8)=0
e. -x.(x+7).(x-4)=0 f. |-x+1| . |x-2|=0
i(3x-7)+2.(5-2x)+5x=19 l. |2x-2|-3x+1=-2
Tìm x yhuoocj Z biết:
a) x-96=(443-x)-15
b) (x-12)-15=(20-7)-(18+x)
c) 311-x+82=46+(x-21)
d) -(x-3+85)=(x+70-71)-5
e) (-x+821+534)=499+(x-84)
f) x+96=(443-x)
giúp vs
(127 - 765) - ( - 65 - 765)
(-2) .4 . ( -5).6
(-2)^3 . 3^2 - (- 48)
- 12 . 3.3(-88)
357 - 246- ( 254 + 357)
(-8).(-125)
|- 154|+ (-54)
(-134)+ (- 66)
-20 < x < 21
-15< x < 15x . (x- 10)= 0
|x-5| = 0
| x+ 5 |=8
| x | - 3 = 7
3x - 3 = x+7
5-x = 3x -7
Bài 1:Tìm x , biết :
a, (x-12) -15 = (20-7) - (18+x)
b, x- 96 = ( 443 - x) - 15
c, 311 - x + 82 = 46 + ( x- 21)
d, - ( x - 3 + 85) = ( x + 70 - 71) -5
e, ( - x + 821 + 534 ) = 499 + ( x-84)
f, x + 96 = ( 443 - x) - 447
Tìm số nguyên x biết:
a) x-96=(443-x)-15
b) (x-12)-15=(20-7)-(18-x)
c) 353-x=46+(3x-21)
d) -(x+81)=(2x+12)-(5+x)
e) (-x+821+534)=499+(x-84)
g) x+53= (400-9x)-447
số 1 : tìm x biết
1) 11 - x = 8 - ( -11)
2) x - 21 = ( -7 ) - 4
3) 46 - x = -21 + ( -87)
4) x- 96 = ( 443 - x) - 15
5) ( -x + 281 + 534 ) = 499 + ( x - 48) - ( 754 + x ) = ( x - 12 - 741 ) - 23
khó quá bạn nào giúp mình với bạn nào trả lời mih tik lun ko cần lâu
Bài toán 3 : Tìm x, biết.a. 2(x – 5) – 3(x + 7) 14 b. 5(x – 6) – 2(x + 3) 12c. 3(x – 4) – (8 – x) 12 d. -7(3x – 5) + 2(7x – 14) 28e. 5(3 – 2x) + 5(x – 4) 6 – 4x f. -5(2 – x) + 4(x – 3) 10x – 15g. 2(4x – 8) – 7(3 + x) |-4|(3 – 2) h. 8(x – |-7|) – 6(x – 2) |-8|.6 – 50k. -7(5 – x) – 2(x – 10) 15 l. 4(x – 1) – 3(x – 2) -|-5|m. -4(x + 1) + 89x – 3) 24 n. 5(x – 30 – 2(x + 6) 9o. -3(x – 5) + 6(x + 2) 9 p. 7(x – 9) – 5(6 – x) – 6 + 11xq. 10(x – 7) – 8(x + 5) 6.(-5) + 24
Đọc tiếp
Bài toán 3 : Tìm x, biết.
a. 2(x – 5) – 3(x + 7) = 14 b. 5(x – 6) – 2(x + 3) = 12
c. 3(x – 4) – (8 – x) = 12 d. -7(3x – 5) + 2(7x – 14) = 28
e. 5(3 – 2x) + 5(x – 4) = 6 – 4x f. -5(2 – x) + 4(x – 3) = 10x – 15
g. 2(4x – 8) – 7(3 + x) = |-4|(3 – 2) h. 8(x – |-7|) – 6(x – 2) = |-8|.6 – 50
k. -7(5 – x) – 2(x – 10) = 15 l. 4(x – 1) – 3(x – 2) = -|-5|
m. -4(x + 1) + 89x – 3) = 24 n. 5(x – 30 – 2(x + 6) = 9
o. -3(x – 5) + 6(x + 2) = 9 p. 7(x – 9) – 5(6 – x) = – 6 + 11x
q. 10(x – 7) – 8(x + 5) = 6.(-5) + 24