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Tìm x
a) 1/3x + 2/5( x - 1 ) = 0
b) (2x - 3 )(6 - 2x ) =0
c) 2|1/2x - 1/3 | - 3/2 = 1/4
d) 3/4 - 2 . | 2x - 2/3 | = 2
e) ( 3x - 1)(-1/2x + 5 ) = 0
g)-5(x + 1/5 ) - 1/2(x - 2/3 ) = 2/3x - 5/6
h) 3(x - 1/2 ) - 5(x + 3/5 ) = -3 + 1/5
i) 60%x + 2/3x = 1/3. 6và1/3 ( 6và1/3 là hỗn số )
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
tìm xa) 7x - 5 16b) 156 -2x 82c) 10x + 65 125d) 8x + 2x 25.2e) 15 + 5x 40f) 5x + 2x 6 -5g) 5x + x 150 : 2 + 3h) 6x + 3x 5 : 5 + 3i) 5x + 3x 3 : 3 . 4 + 12j) 4x + 2x 68 - 2 :2k) 5x + x 39 - 3 : 3l) 7x - x 5 : 5 + 3.2 - 7m) 7x -2 x 6 : 6 + 44 : 11n) 0 : x 0 o) 3x 9p) 4x 64q) 2x 16r) 9x - 1 9s) x4 16t) 2x : 2 1ai nhanh mk tick cho !!!!!!!
Đọc tiếp
tìm x
a) 7x - 5 = 16
b) 156 -2x = 82
c) 10x + 65 = 125
d) 8x + 2x = 25.2
e) 15 + 5x = 40
f) 5x + 2x = 6 -5
g) 5x + x = 150 : 2 + 3
h) 6x + 3x = 5 : 5 + 3
i) 5x + 3x = 3 : 3 . 4 + 12
j) 4x + 2x = 68 - 2 :2
k) 5x + x = 39 - 3 : 3
l) 7x - x = 5 : 5 + 3.2 - 7
m) 7x -2 x = 6 : 6 + 44 : 11
n) 0 : x = 0
o) 3x = 9
p) 4x = 64
q) 2x = 16
r) 9x - 1 = 9
s) x4 = 16
t) 2x : 2 = 1
ai nhanh mk tick cho !!!!!!!
tìm x thuộc z
1)(-3x+2)-(5-3x)=-3
2) 3+x-(3x-1)=6-2x
3) (x-5).(3x+4)=0
4) 7x.(2x-1)=0
5) (3x-1).2x=0
giúp mik với mai mik đi học rùi :((
-3(2x-1)-5(3x+2)=14
-4(3x+5)+7(-2x-3)=-11
2(-3x+4)+3(x-5)=2(x+6)+1
-5(3x-1)-4(-2x+3)=0
-7(2x-1)+5(3x-4)=-3(x-5)
|x-3|=0
3|x+2|-5=16 cac ban lam nhanh nhe
(x-2).(2x-6)=0
(3x+9).(1-3x)=0
(x2+1).(81-x2) =0
5-|2x-1| = (-6)
|2-x| +2 =x
|x+1|=|x-3|
1) (x + 1/2).(2/3 - 2x) = 0 2) 2/3x + 1/2x = 5/2 : 3 và 3/4 3) (2x - 3)(6 - 2x)= 0 4) -5(x + 1/5) - 1/2(x - 2/3) = 3/2x - 5/6
Tìm x biết:
1) 1/3x+2/5(x-1)=0
2) -2/3-1/3(2x-5)=3/2
3) (3x-1)[-1/2x+5]=0
B1: Tìm x:
1/ \(\dfrac{x+3}{15}\) = \(\dfrac{1}{3}\) - \(\dfrac{1}{15}\)
2/ (2x - 5) = (x - 3) = 0
3/ (3x - 4) - (2x - 5) = 3
4/ (2x + 1) x (\(\dfrac{1}{2}\)x - 1) = 0