-84+6y=42

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Solution for -84+6y=42 equation: 



-84+6y=42

We move all terms to the left:

-84+6y-(42)=0

We add all the numbers together, and all the variables

6y-126=0

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

6y=126

y=126/6

y=21

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