30=5(y-4)-20

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Solution for 30=5(y-4)-20 equation: 



30=5(y-4)-20

We move all terms to the left:

30-(5(y-4)-20)=0



We calculate terms in parentheses: -(5(y-4)-20), so:

5(y-4)-20

We multiply parentheses

5y-20-20

We add all the numbers together, and all the variables

5y-40

Back to the equation:

-(5y-40)



We get rid of parentheses

-5y+40+30=0

We add all the numbers together, and all the variables

-5y+70=0

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

-5y=-70

y=-70/-5

y=+14

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