61=-2(k+9)

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Solution for 61=-2(k+9) equation: 



61=-2(k+9)

We move all terms to the left:

61-(-2(k+9))=0



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

-2(k+9)

We multiply parentheses

-2k-18

Back to the equation:

-(-2k-18)



We get rid of parentheses

2k+18+61=0

We add all the numbers together, and all the variables

2k+79=0

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

2k=-79

k=-79/2

k=-39+1/2

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