2y+7y=13

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Solution for 2y+7y=13 equation: 



2y+7y=13

We move all terms to the left:

2y+7y-(13)=0

We add all the numbers together, and all the variables

9y-13=0

We move all terms containing y to the left, all other terms to the right

9y=13

y=13/9

y=1+4/9

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