15-y=8+7y

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Solution for 15-y=8+7y equation: 



15-y=8+7y

We move all terms to the left:

15-y-(8+7y)=0

We add all the numbers together, and all the variables

-y-(7y+8)+15=0

We add all the numbers together, and all the variables

-1y-(7y+8)+15=0

We get rid of parentheses

-1y-7y-8+15=0

We add all the numbers together, and all the variables

-8y+7=0

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

-8y=-7

y=-7/-8

y=7/8

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