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If ∠A and ∠B are supplementary angles, m∠A = (11x 26−) , a°nd m∠B = (− 4x+ 87)° then what is the value of x?
x = __________

1 Answer

3 votes

Answer:

x =17

Explanation:

(11x -26) + (− 4x+ 87) =180

7x + 61 =180

7x = 119

x =17

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