(7+y)-y=7

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



(7+y)-y=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

(y+7)-y-7=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1y+y+7-7=0

We add all the numbers together, and all the variables

=0

y=0/1

y=0

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