Answer:
Step-by-step explanation:
1. the exterior angle in a triangle is equal to the sum of the 2 furthest angles in the triangle
9x+4=4x-7+86
this equation will give you what x is
after you find x, plug it into 9x+4 and set it = to 7y-1
Answer: 3 divided by 2 = 1.50
1.50×10=15
B
(3x+1)
So i start by the little 2 and then the 3 and then 19x +6
