Answer:
simplified equation is 10y-10x
Step-by-step explanation:
8(y-x) -2(x-y)
multiple 8 and 2 by the corresponding parentheses
8y-8x -2x +2y
10y -10x
ANSWER: x = 130°
EXPLANATION: You must add given angles and then subtract from 180°.
the answer should be 320.4
