42-4y=12

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Solution for 42-4y=12 equation: 



42-4y=12

We move all terms to the left:

42-4y-(12)=0

We add all the numbers together, and all the variables

-4y+30=0

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

-4y=-30

y=-30/-4

y=7+1/2

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