-20+7k=5k+4(k-2)

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Solution for -20+7k=5k+4(k-2) equation: 



-20+7k=5k+4(k-2)

We move all terms to the left:

-20+7k-(5k+4(k-2))=0



We calculate terms in parentheses: -(5k+4(k-2)), so:

5k+4(k-2)

We multiply parentheses

5k+4k-8

We add all the numbers together, and all the variables

9k-8

Back to the equation:

-(9k-8)



We get rid of parentheses

7k-9k+8-20=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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