12-5y=42

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Solution for 12-5y=42 equation: 



12-5y=42

We move all terms to the left:

12-5y-(42)=0

We add all the numbers together, and all the variables

-5y-30=0

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

-5y=30

y=30/-5

y=-6

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