4(-3k+5)-k=21

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Solution for 4(-3k+5)-k=21 equation: 



4(-3k+5)-k=21

We move all terms to the left:

4(-3k+5)-k-(21)=0

We add all the numbers together, and all the variables

-1k+4(-3k+5)-21=0

We multiply parentheses

-1k-12k+20-21=0

We add all the numbers together, and all the variables

-13k-1=0

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

-13k=1

k=1/-13

k=-1/13

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