7=-(-k)+2

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Solution for 7=-(-k)+2 equation: 



7=-(-k)+2

We move all terms to the left:

7-(-(-k)+2)=0

We add all the numbers together, and all the variables

-(-(-1k)+2)+7=0



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

-(-1k)+2

We get rid of parentheses

1k+2

We add all the numbers together, and all the variables

k+2

Back to the equation:

-(k+2)



We get rid of parentheses

-k-2+7=0

We add all the numbers together, and all the variables

-1k+5=0

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

-k=-5

k=-5/-1

k=+5

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