9y+15=78

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Solution for 9y+15=78 equation: 



9y+15=78

We move all terms to the left:

9y+15-(78)=0

We add all the numbers together, and all the variables

9y-63=0

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

9y=63

y=63/9

y=7

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