4y-7y=8+7

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Solution for 4y-7y=8+7 equation: 



4y-7y=8+7

We move all terms to the left:

4y-7y-(8+7)=0

We add all the numbers together, and all the variables

4y-7y-15=0

We add all the numbers together, and all the variables

-3y-15=0

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

-3y=15

y=15/-3

y=-5

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