Answer:
x = 32
Step-by-step explanation:
Add 7 to both sides
Simplify
-7 + 7 = 0 and 1 + 7 = 8 because of this now 
Square both sides
2x = 64
Slove 2x = 64
64 ÷ 2 = 32 = x
Go to slader online and try to look up your textbook for the answers to all the questions
Answer:
The choice C.

Step-by-step explanation:

I hope I helped you^_^
Answer:
a = 1
Step-by-step explanation:
First, you subtract 6 from both sides and you end up with a² = 1. Since one cannot be squared or square rooted, a = 1. I hope this helps!