10y+3=7(y+3)

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Solution for 10y+3=7(y+3) equation: 



10y+3=7(y+3)

We move all terms to the left:

10y+3-(7(y+3))=0



We calculate terms in parentheses: -(7(y+3)), so:

7(y+3)

We multiply parentheses

7y+21

Back to the equation:

-(7y+21)



We get rid of parentheses

10y-7y-21+3=0

We add all the numbers together, and all the variables

3y-18=0

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

3y=18

y=18/3

y=6

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