8=y+(-1)

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Solution for 8=y+(-1) equation: 



8=y+(-1)

We move all terms to the left:

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



We calculate terms in parentheses: -(y+(-1)), so:

y+(-1)

We add all the numbers together, and all the variables

y-1

Back to the equation:

-(y-1)



We get rid of parentheses

-y+1+8=0

We add all the numbers together, and all the variables

-1y+9=0

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

-y=-9

y=-9/-1

y=+9

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