2x + y =7 (1)
3x-y=8 (2)
(1) + (2)
5x = 15
x = 3
Answer:
D)
Step-by-step explanation:
if 1 = 90 that mean that the otheir point have to be 180-(90+50)
so that also mean 2 = 40
so 3 = 90
also A and B are the same so ig that cant be right
X = 2 because 2+1=3 and if you want 5 then 5 - 3 = 2 so x=2