Step-by-step explanation:
like this.
remember that when you put the numbers to the other side of the formula, you need to replace + with - or replace - with + .
Answer:
They are supplementary
Step-by-step explanation:
Two Angles are Supplementary when they add up to 180 degrees.
Answer:
Theyre both going to be 27.
Step-by-step explanation:
2n+21=4n+15
-2n -2n
21=2n+15
-15 -15
=
3=n
2n+21
2(3)+21=27
4n+15
4(3)+15=27
:)