-13=-2(6+k)

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Solution for -13=-2(6+k) equation: 



-13=-2(6+k)

We move all terms to the left:

-13-(-2(6+k))=0

We add all the numbers together, and all the variables

-(-2(k+6))-13=0



We calculate terms in parentheses: -(-2(k+6)), so:

-2(k+6)

We multiply parentheses

-2k-12

Back to the equation:

-(-2k-12)



We get rid of parentheses

2k+12-13=0

We add all the numbers together, and all the variables

2k-1=0

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

2k=1

k=1/2

k=1/2

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