12=0.5(18+y)

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Solution for 12=0.5(18+y) equation: 



12=0.5(18+y)

We move all terms to the left:

12-(0.5(18+y))=0

We add all the numbers together, and all the variables

-(0.5(y+18))+12=0



We calculate terms in parentheses: -(0.5(y+18)), so:

0.5(y+18)

We multiply parentheses

0.5y+9

Back to the equation:

-(0.5y+9)



We get rid of parentheses

-0.5y-9+12=0

We add all the numbers together, and all the variables

-0.5y+3=0

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

-0.5y=-3

y=-3/-0.5

y=+6

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