Inactive Tutor answered 09/05/17
Tutor
New to Wyzant
I guess the angles are supplementary, which means they have a sum of 180º.
11x - 15 + 5x - 13 = 180
16x -28 = 180
16x = 208
x = 13
Samuel J.
asked 09/05/17Inactive Tutor answered 09/05/17
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