Question

Solve for a.

Answer 1

-13 and 1
Take the square root of both sides and that leaves you with a+6= the sq root of 49.
Move 6 to the other side.
-6+(-7)=-13 and -6+7=1

Answer 2

-13 and 1

-You need to cancel the square power

-which means square root 49

-then you solve