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b)
c)
d)
e)
3x-5x=-13-5
-2x=-18
x=-18/-2
x=2
B) 5(7-x)=31-x
35-5x=31-x
-5x+x=31-35
-4x=-4
x=-4/-4
x=1
C) 4(2-3x)=-2x-27
8-12x=-2x-27
-12x+2x=-27-8
-10x=-35
x=-35/-10
x=-7/-2
D) 6x-8=4(-2+5)
6x-8=-8+20
6x=-8+20+8
6x=20
x=20/6
E) 3(2x-2)=2(3x+9)
6x-6=6x+18