3(1/2y+15)=42

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Solution for 3(1/2y+15)=42 equation: 



3(1/2y+15)=42

We move all terms to the left:

3(1/2y+15)-(42)=0



Domain of the equation: 2y+15)!=0

y∈R



We multiply parentheses

3y+45-42=0

We add all the numbers together, and all the variables

3y+3=0

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

3y=-3

y=-3/3

y=-1

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