30=2+7y

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Solution for 30=2+7y equation: 



30=2+7y

We move all terms to the left:

30-(2+7y)=0

We add all the numbers together, and all the variables

-(7y+2)+30=0

We get rid of parentheses

-7y-2+30=0

We add all the numbers together, and all the variables

-7y+28=0

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

-7y=-28

y=-28/-7

y=+4

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