Answer:
f(x)=-3x+4
Step-by-step explanation:
just took the test
The rule being used here is which is often used to simplify square roots.
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x = 3
both angles together equal 180
Set your formula as
180 = 5x + 165
180 - 165 = 5x
15 = 5x
15/5 = x
3 = x