Y-7=7(x+1)

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Solution for Y-7=7(x+1) equation: 



-7=7(Y+1)

We move all terms to the left:

-7-(7(Y+1))=0



We calculate terms in parentheses: -(7(Y+1)), so:

7(Y+1)

We multiply parentheses

7Y+7

Back to the equation:

-(7Y+7)



We get rid of parentheses

-7Y-7-7=0

We add all the numbers together, and all the variables

-7Y-14=0

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

-7Y=14

Y=14/-7

Y=-2

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