30=42y-18

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Solution for 30=42y-18 equation: 



30=42y-18

We move all terms to the left:

30-(42y-18)=0

We get rid of parentheses

-42y+18+30=0

We add all the numbers together, and all the variables

-42y+48=0

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

-42y=-48

y=-48/-42

y=1+1/7

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