7-y+5y=15

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Solution for 7-y+5y=15 equation:



7-y+5y=15
We move all terms to the left:
7-y+5y-(15)=0
We add all the numbers together, and all the variables
4y-8=0
We move all terms containing y to the left, all other terms to the right
4y=8
y=8/4
y=2

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