Answer:
-35
Step-by-step explanation:
if you take 6 x -5 ( y ) then -3 x 5 ( x ) then add them together then you get -35.
Because the two angles on the right add to 180 degrees, we can create this system:

We can also prove that

, which, when solved, shows that

.
When plugged in to the original equation, we find that y = 105 degrees.
D. X = 10
6x-20= 40
6x=40+20
6x=60
X=10
Answer:
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