Question

solve...pic in comment box

Answer 1

1) Add 2 to both sides
2) Divide both sides by 3
3) square both sides
4) subtract 4 from both sides

Answer 2

so x=21?

Answer 3

yep...to check plug 21 into x and make sure the equation works

Answer 4

I wrote out the steps for you to see how you get there...hope that helped