Explanation:
11x + 16 and 43 are supplementary ....they sum to 180 degrees
11x+ 16 + 43 = 180
11x = 121
x= 11
Answer:
x = 11 degrees
Those 2 angles would add up to 180.
So (11x+16) + 43 = 180
11x + 59 = 180
Divide both sides by 11
x = 121/11
x = 11
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