-3=2k-(-9)

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Solution for -3=2k-(-9) equation: 



-3=2k-(-9)

We move all terms to the left:

-3-(2k-(-9))=0



We calculate terms in parentheses: -(2k-(-9)), so:

2k-(-9)

We add all the numbers together, and all the variables

2k+9

Back to the equation:

-(2k+9)



We get rid of parentheses

-2k-9-3=0

We add all the numbers together, and all the variables

-2k-12=0

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

-2k=12

k=12/-2

k=-6

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