Answer:
X= -4
Step-by-step explanation:
First you subtract both sides by 3. You will get:
5x=-20
then you divide both sides by 5
-20/5=-4 so
x=-4
I believe that x=-1 and y=5
Hope it helps!!
Answer:
adjacent and supplementary
Step-by-step explanation:
∠ 1 and ∠ 2 are next to each other, that is adjacent.
∠ 1 and ∠ 2 form a straight angle and are supplementary.