a) 15-x=x-1715-x=x-1715+x=x-172x=32x=16
b) 18x=-9x=-9/18x=-1/2
c) 8x-9=6x+128x-6x=12+92x=21x=21/2x=10.5
d) -3(x-2)=4(1-x)-3x+6=4-4x-3x+4x=4-6x=-2
e) 2-6(x-1)=3-4(2-x)2-6x+6=3-8+4x-6x+4x=3-8-2-2x=-7x=7/2x=3.5
a) 15-x=x-17
15-x=x-17
15+x=x-17
2x=32
x=16
b) 18x=-9
x=-9/18
x=-1/2
c) 8x-9=6x+12
8x-6x=12+9
2x=21
x=21/2
x=10.5
d) -3(x-2)=4(1-x)
-3x+6=4-4x
-3x+4x=4-6
x=-2
e) 2-6(x-1)=3-4(2-x)
2-6x+6=3-8+4x
-6x+4x=3-8-2
-2x=-7
x=7/2
x=3.5