7y+45=3(y+3)

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Solution for 7y+45=3(y+3) equation: 



7y+45=3(y+3)

We move all terms to the left:

7y+45-(3(y+3))=0



We calculate terms in parentheses: -(3(y+3)), so:

3(y+3)

We multiply parentheses

3y+9

Back to the equation:

-(3y+9)



We get rid of parentheses

7y-3y-9+45=0

We add all the numbers together, and all the variables

4y+36=0

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

4y=-36

y=-36/4

y=-9

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