y-4=-7y

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Solution for y-4=-7y equation: 



y-4=-7y

We move all terms to the left:

y-4-(-7y)=0

We get rid of parentheses

y+7y-4=0

We add all the numbers together, and all the variables

8y-4=0

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

8y=4

y=4/8

y=1/2

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