SOLUTION: The measure of X is 12 more than 3 times Y. If X and Y are supplementary what is the measurement of X

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Question 1095721: The measure of X is 12 more than 3 times Y. If X and Y are supplementary what is the measurement of X
Answer by josgarithmetic(39632) About Me  (Show Source):
You can put this solution on YOUR website!
Using lower-case instead

system%28x=3y%2B12%2Cx%2By=180%29
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3y%2B12%2By=180
4y%2B12=180
y%2B3=45
highlight%28y=42%29
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highlight%28x=138%29