3x/4-x=4x/5+x
2(x-6)=-34
4(3x-2)-4(x-2)=2
-1/7(5u-7)=6
1.1/4(x-2)=-5(x+1)

1) 2x - 12 = -342x = 12 - 342x = -22x = -112) 4(3x-2) - 4(x-2) = 212x - 8 - 4x + 2 = 2 8x = 2 + 8 - 28x = 8x = 13) -1/7(5u-7) = 6-5/7u + 1 = 6-5/7u = 5u = -7