8y-42=30

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Solution for 8y-42=30 equation: 



8y-42=30

We move all terms to the left:

8y-42-(30)=0

We add all the numbers together, and all the variables

8y-72=0

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

8y=72

y=72/8

y=9

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