a) 2-3x=2x+7
2-7=2x+3x
-5=5x
x=-1
b) 3x+4=4x-5
3x-4x=-5-4
-x=-9
x=9
c) (-6)+3x=1-4x
3x+4x=1+6
7x=7
x=1
d) -3-2x=9-5x
-2x+5x=9+3
3x=12
x=4
e) 2(x-1)=4x+5
2x-2=4x+5
2x-4x=5+2
-2x=7
x=-7/2
f) 5(x-1) =4(x+2)
5x-5=4x+8
5x-4x=8+5
x=13
g) (-2)+3(x-2)=4-3x
-2+3x-6=4-3x
3x+3x=4+2+6
6x=12
x=2
h) (-3)+3(2-x)=6-2(x+5)
-3+6-3x=6-2x-10
-3x+2x=6-10+3-6
-x=-7
x=7
i) 1-2(x+3)=5-3(x-1)
1-2x-6=5-3x+3
-2x+3x=5+3-1+6
x=13
