7=7(y-7)+7y

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Solution for 7=7(y-7)+7y equation: 



7=7(y-7)+7y

We move all terms to the left:

7-(7(y-7)+7y)=0



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

7(y-7)+7y

We add all the numbers together, and all the variables

7y+7(y-7)

We multiply parentheses

7y+7y-49

We add all the numbers together, and all the variables

14y-49

Back to the equation:

-(14y-49)



We get rid of parentheses

-14y+49+7=0

We add all the numbers together, and all the variables

-14y+56=0

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

-14y=-56

y=-56/-14

y=+4

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