(7+-1y)+y=7

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Solution for (7+-1y)+y=7 equation: 



(7+-1y)+y=7

We move all terms to the left:

(7+-1y)+y-(7)=0

We add all the numbers together, and all the variables

(-1y)+y-7=0

We add all the numbers together, and all the variables

y+(-1y)-7=0

We get rid of parentheses

y-1y-7=0

We add all the numbers together, and all the variables

-7!=0

There is no solution for this equation

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