-8y=42-y

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Solution for -8y=42-y equation: 



-8y=42-y

We move all terms to the left:

-8y-(42-y)=0

We add all the numbers together, and all the variables

-8y-(-1y+42)=0

We get rid of parentheses

-8y+1y-42=0

We add all the numbers together, and all the variables

-7y-42=0

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

-7y=42

y=42/-7

y=-6

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