Các câu hỏi tương tự
tìm x biết:
(3x-1) [- 1/2x+5]=0
1/4+1/3:(2x-1)=-5
[2x+3/5]2 - 9/25=0
-5(x+1/5)-1/2(x-2/3)=3/2x - 5 /6
[x+1/2]x [2/3-2x]=0
17/2-|2x-3/4|=-7/4
2/3x-1/2x =5/12
(x+1/5)2+17/25=26/25
[x.44/7+3/7].11/5-3/7=-2
3[3x-1/2]+1/9=0
a. 3(x-1/2) - 5(x+3/5=-x+1/5
b. 2/3× + 1/2x = 5/2:15/4
c. 3x + 2x = 5/8 × 4/3
d. 17/2 - |2x - 3/4| = -7/4
e. (x + 1/25) + 17/25 = 26/25
f. 2/3x - 1/2x = 5/12
g. (x + 1/2) × (2/3-2x) = 0
ai làm nhanh đúng mk cho 10 tk
Bài 3 (2 điểm): Tìm x
a) 25 – 3.(6 – x) = 22
b) [(2x – 11):3 + 1].5 = 20
c) (25 - 2x) mũ 3 : 5 - 3 mũ 2 = 4 mũ 2
d) 2.3x = 10.3 mũ12 + 8.27 mũ4
Tìm x biết:
a) 12 ( 2x - 6 ) - 43= 5^3
b) 7 ( 25 - 3x ) = 3^4 - 2^5
c) ( 3x - 5 ) + 3^4 = 6^0 = 5^3
d) 3x + 2x ( 2^3 . 5 - 3^2 . 4 ) + 5^2 = 4^4
e) 720 : [ 41 - (2x - 5 ) ] = 2^3 .5
tim x
a)2x3-25=29
b)125:(3x-10)=25
c)136-(2x-4)=32.2
d)140:(15-x)=70
e)4.3x-1=35
g)360-(220-4x)=160
f)24:22+x.33.3=166
h)4(x-5)-25=75
i)35-5(2x+2)=5
k)2x3-126=2
1) 5.(x+4) = 25x
2) -3/6 = 25/2x-1
3) -3/6 = 25/2x+1
4) 5.(x-4) = 3x + 8
Giúp với ạ
help với, nghĩ mãi ko ra :((
a, (2x - 3) . (6 - 2x) = 0
b,|1/2.x - 1/3| - 3/2 = 1/4
c, (2x + 3/5)mũ 2 ngoài ngoặc = 9/25
d, 11/3.(1/5 - 1/2) < hoặc = x < hoặc = 3/11.(1/5 +2/3 - 1/2)
e, 4,25 - (25/8 - 1,105) < x < 9,1 - (6,85 - 11/4)
làm ơn giúp e :((
(11/5+3/5×x) =3/4
(3/15-x) ×1/3=2/5
X÷46/15=25/12
3/4+2×|2x-2/3|=2
X÷3/4+1/4=2/3
Tìm x biết -3(-5)-4|5-2x|=2(-25:5)-7+4(-2)