-3k-9k=4/7

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Solution for -3k-9k=4/7 equation: 



-3k-9k=4/7

We move all terms to the left:

-3k-9k-(4/7)=0

We add all the numbers together, and all the variables

-3k-9k-(+4/7)=0

We add all the numbers together, and all the variables

-12k-(+4/7)=0

We get rid of parentheses

-12k-4/7=0

We multiply all the terms by the denominator


-12k*7-4=0

Wy multiply elements

-84k-4=0

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

-84k=4

k=4/-84

k=-1/21

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