21k-132=-48

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Solution for 21k-132=-48 equation: 



21k-132=-48

We move all terms to the left:

21k-132-(-48)=0

We add all the numbers together, and all the variables

21k-84=0

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

21k=84

k=84/21

k=4

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