142=2-y

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Solution for 142=2-y equation: 



142=2-y

We move all terms to the left:

142-(2-y)=0

We add all the numbers together, and all the variables

-(-1y+2)+142=0

We get rid of parentheses

1y-2+142=0

We add all the numbers together, and all the variables

y+140=0

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

y=-140

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