7=k+4-2

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Solution for 7=k+4-2 equation: 



7=k+4-2

We move all terms to the left:

7-(k+4-2)=0

We add all the numbers together, and all the variables

-(k+2)+7=0

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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