42=9y-30

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Solution for 42=9y-30 equation: 



42=9y-30

We move all terms to the left:

42-(9y-30)=0

We get rid of parentheses

-9y+30+42=0

We add all the numbers together, and all the variables

-9y+72=0

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

-9y=-72

y=-72/-9

y=+8

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