Answer:
28
Step-by-step explanation:
Supplementary angles add up to 180
180 = Y + V
Sub in the values for Y and V
180 = 4x + 20 + 48
Rearrange and solve
4x = 112
x = 28
-6 and 10
i did this before. np kiddo
Quadrant IV
Quadrant IV (Also known as Quadrant 4) is made of negative (left) and positive (top)