7=-(-3-x)+2

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Solution for 7=-(-3-x)+2 equation: 



7=-(-3-x)+2

We move all terms to the left:

7-(-(-3-x)+2)=0

We add all the numbers together, and all the variables

-(-(-1x-3)+2)+7=0



We calculate terms in parentheses: -(-(-1x-3)+2), so:

-(-1x-3)+2

We get rid of parentheses

1x+3+2

We add all the numbers together, and all the variables

x+5

Back to the equation:

-(x+5)



We get rid of parentheses

-x-5+7=0

We add all the numbers together, and all the variables

-1x+2=0

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

-x=-2

x=-2/-1

x=+2

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