Answer:
The answer is 30. Do the inverse of negative 8, and that is positive 8. Add 8 on both sides and you get 30. So x is 30.
30
Step-by-step explanation:
55-21=34
50-20=30
hope it helped :)
So perimeter is adding all sides
In this picture, you have all sides, so add them up!
(2a-3)+(3a+1)+(2a) = P
So this expression shows that we're adding all sides that gives us the P, or perimeter :)
