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OpenStudy (anonymous):
find the measures of 2 supplementary angles if one angle is 12 more than 3 times the other find the measures of 2 supplementary angles if one angle is 12 more than 3 times the other @Mathematics
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OpenStudy (anonymous):
the first supplementary angle is 42 degrees and the second is 138 degrees
OpenStudy (anonymous):
supplementary angles just mean that the angles add up to 180 degrees; in order to solve the equation, you've got to set the two angles up to 180.
OpenStudy (anonymous):
with 180=3x=120=x?
OpenStudy (anonymous):
*180=3x+12)=x
OpenStudy (anonymous):
how did you get it?
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