20=-2(k-2)

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Solution for 20=-2(k-2) equation: 



20=-2(k-2)

We move all terms to the left:

20-(-2(k-2))=0



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

-2(k-2)

We multiply parentheses

-2k+4

Back to the equation:

-(-2k+4)



We get rid of parentheses

2k-4+20=0

We add all the numbers together, and all the variables

2k+16=0

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

2k=-16

k=-16/2

k=-8

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