Question

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Answer 1

We want to isolate that square root, what we do first is to add 7 to both sides. What do you get?

Answer 2

Excellent, remember we still want that square root to be alone, what do we do now?

Answer 3

What about the -5? it would prevent us from squaring both sides. We need to kick it out!

Answer 4

We can't do that because its multiplying the square root. If you did that you would get -10 on the left which we don't want.

Answer 5

We want the square root alone.

Answer 6

Sorry but you actually divide both sides by -5. Like this