-2=18-7y

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Solution for -2=18-7y equation: 



-2=18-7y

We move all terms to the left:

-2-(18-7y)=0

We add all the numbers together, and all the variables

-(-7y+18)-2=0

We get rid of parentheses

7y-18-2=0

We add all the numbers together, and all the variables

7y-20=0

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

7y=20

y=20/7

y=2+6/7

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