INECUACIONES:
8x-3=2x-21
3x+4-8x=5+2x-15
2x+7+x=5+4x-3
3x-8-5x=2-6x-7
x+3x+x+3x=12+2x+6
9x+3(2x+4)=5(x+3)
2-5(2x-3)=4(3-4x)
-4(2x-5)-(7-3x)=4(x+3)
5(2x+4)-3(4x-6)=2(20-x)
4(x-3)-(x+6)=3(x-6)