Answer:
n=9
Step-by-step explanation:
7n+5=68 Subtract 5 on both sides.
<u>-5 -5</u>
7n=63 Divide both sides by 7.
<u>/7 /7</u>
Hope this helps! Have a nice day ^^
Perpendicular
Intersect over each other
A = -3
8a-6+2=-7+7a
Add 2 to -6
8a-4=-7+7a
Subtract 7a from 8a
Add 4 to -7
Then you get
A= -3
