18.4k views
2 votes
PLS HELP!!!
I attached the question in the picture below

PLS HELP!!! I attached the question in the picture below-example-1
User JF Bastien
by
7.4k points

1 Answer

2 votes
Take a square root if both sides and you will get
a+6=7 and a+6=-7

For a+6=7
Subtract 6 from both sides
a=1

For a+6=-7
Again subtract 6 from both sides
a=-13

Therefore, the last answer is correct
User Neil Mayhew
by
5.8k points
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