Answer:
c
Step-by-step explanation:
(3x + 13) + (x - 8) + (x) = 180 --> x = 35
x = 2
1/2(x + 12) = 4x - 1
1/2x + 12/2 = 4x - 1
1/2x + 6 = 4x - 1
1/2x - 4x = -1 - 6
1/2x - 8/2x = -7
-7/2x = -7
x = -14/-7
y= 3(5)x
