Question

Please answer this question it is the last one of the day.

Answer 1

Line 5

Explanation:

`3(x-2)=18\\3x-6=18\\3x-6+6=18+6\\3x=24\\x=8`

The 5th line is incorrect because
`x` is actually supposed to be
`8`. They did not divide both sides by 3 properly.