(3x-2)-(5-2x)=4x-18
<=> 3x-2-5+2x=4x-18\
<=> 5x-7=4x-18
<=> (5x-7)-(4x-18)=0
<=> 5x-7-4x+18=0
<=> x+11=0<=>x=-11
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
Tìm x thuoc z biet:
A) 3.(x+2)-6.(x-5)=2.(5-2x)
B) (-2x ). (4x) +28=100
C) 5x.x2+1=6
D) 3x2 +12x =0
E) 4x3 =4x
Giúp mik đi!
Tìm x: Giải giúp mình nhé!
a)2(2x - 1) - 3x = 24
b)(4x + 5) chia hết cho x
1, tìm x,biết
a, 15-2*(3x-6)= -2*(4x+12)-2x-16
b,18-x-3(2x+6)=4x-5(6-x)
tìm x
25.3 - 3.(x+1)=42
(4x + 5) : 3 - 112:11=22
3x - 15 . 4 = 6.(19 - x)
(x - 7).(2x - 16)=0
Tìm x, biết
a) 3 1/3x+16 3/4= -13,25 b) (2 4/5x-50) :2/3=51 c) |2x-1|=(-4)2 d)x+2/5=-11/15
e) (x-7/18).18/29=-12/29
Tìm x
x+2x+3x+4x+....+10x=385
Tìm x biet:
a,5/2x+x=32/15
b,x-7/2x=-32/15
c,-7/3x-7/4x+11/3=18/5
d,-5/6-3x=2/3
e,2x-5/9=-2/3
f,1/2-2/3x=7/12
g,7-|2x-3|=4
h,(19x+2.5^2):14=(13-8)^2-4^2
i,3/4x-2/3=2/7.1/6+5/7.1/6
k,(x+1/2).(2/3-2x)=0
l,x/2013-1/10-1/15-1/21-........-1/120=5/8
tìm x :
a) /4x+3/ = /3x+5/
b) /4x-3/ = 2x+1
c) /x+1/ + /x+5/
tìm x
25.3 - 3.(x+1)=42
(4x + 5) : 3 - 112:11=22
3x - 15 . 4 = 6.(19 - x)
(x - 7).(2x - 16)=0