Question

8x+5=
22 7x+1=
x+3=4
8x+8=8

Answer 1

1] 8x=-5
x=-5/8
2] -23=7x
x=-23/7
3] x+3-3=4-3
x=1
4] 8x+8-8=8-8
8x=0 [no es poible de resolver porque termina en 0]