30=10(y-4)

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Solution for 30=10(y-4) equation: 



30=10(y-4)

We move all terms to the left:

30-(10(y-4))=0



We calculate terms in parentheses: -(10(y-4)), so:

10(y-4)

We multiply parentheses

10y-40

Back to the equation:

-(10y-40)



We get rid of parentheses

-10y+40+30=0

We add all the numbers together, and all the variables

-10y+70=0

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

-10y=-70

y=-70/-10

y=+7

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