7-7y=4-8y

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



7-7y=4-8y

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

y+3=0

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

y=-3

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