Question

3x=2x+18 solve and check

Answer 1

substituting x=2 we get
3(2)=2(2)+18
6=4+18
6=22
so now substituting 18
3(18)=2(18)+18
54=36+18
54= 54
lhs is equal to rhs

Answer 2

3x -2x = 18
x=18
3(18)=2(18) +18
54=36 +18
54=54