Question

Resolva a equação: 8-x = 2+x

Answer 1

8-x=2+x
x+x=8+2
2x= 10
x= 10/2
x=5

Answer 2

$8-x=2+x\\ 8-2=x+x\\ 6=2x\\ 6/2=x\\ x=3$