8x=40+3x
x+4=28
x=4
x=8
x=24
10x=-5x+60
- (7x - 2 + 12) + ( - 5x - 3x + 4) = - ( - x + 7) - (6x - 4 - 7)
4(3x+2)-8=5(2x+3)+5
-15x+3=-36-18x
x=6
x=3
2x+4+(3x-4)=3x+12
x=10
16 - ( - 2x - 4) - (5x - 3x + 2) = - 4x - ( - 8x + 2)
x=-1
x=37´5
x-6´5=31
x=11
