Question

4x-1=3x-1
3x-2=2x-4
2x-1=3x+4
3x-1-7=15
7x-4=2x-3
3x-2=43-x
33x-1=23x+2
7x-2=5x+3
32x-1=-2x+3
5x-3x+2=15
2x+3x+9=86-x
4x+10-2x-5=0

Answer 1

o que é pra fazer ??????????????????????