-2k+20=-20+2k

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Solution for -2k+20=-20+2k equation: 



-2k+20=-20+2k

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-2k-2k+20+20=0

We add all the numbers together, and all the variables

-4k+40=0

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

-4k=-40

k=-40/-4

k=+10

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