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OpenStudy (anonymous):
Two angles are supplementary. They have measures of (7x + 2)° and (3x – 2)°, respectively. What is the value of x? 180 18 10 90
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OpenStudy (jdoe0001):
hmmm what are supplementary angles?
OpenStudy (anonymous):
im not sure
jimthompson5910 (jim_thompson5910):
supplementary angles are angles that add to 180 degrees
jimthompson5910 (jim_thompson5910):
So, (7x + 2) + (3x – 2) = 180
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