Y=x-(-7)

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Solution for Y=x-(-7) equation: 



=Y-(-7)

We move all terms to the left:

-(Y-(-7))=0



We calculate terms in parentheses: -(Y-(-7)), so:

Y-(-7)

We add all the numbers together, and all the variables

Y+7

Back to the equation:

-(Y+7)



We get rid of parentheses

-Y-7=0

We add all the numbers together, and all the variables

-1Y-7=0

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

-Y=7

Y=7/-1

Y=-7

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