42=5k-(-12)

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Solution for 42=5k-(-12) equation: 



42=5k-(-12)

We move all terms to the left:

42-(5k-(-12))=0



We calculate terms in parentheses: -(5k-(-12)), so:

5k-(-12)

We add all the numbers together, and all the variables

5k+12

Back to the equation:

-(5k+12)



We get rid of parentheses

-5k-12+42=0

We add all the numbers together, and all the variables

-5k+30=0

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

-5k=-30

k=-30/-5

k=+6

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