3(y+1)=7(y+1)

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Solution for 3(y+1)=7(y+1) equation: 



3(y+1)=7(y+1)

We move all terms to the left:

3(y+1)-(7(y+1))=0

We multiply parentheses

3y-(7(y+1))+3=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

3y-7y-7+3=0

We add all the numbers together, and all the variables

-4y-4=0

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

-4y=4

y=4/-4

y=-1

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