5(-3.4k-7)=3k+21

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Solution for 5(-3.4k-7)=3k+21 equation: 



5(-3.4k-7)=3k+21

We move all terms to the left:

5(-3.4k-7)-(3k+21)=0

We multiply parentheses

-15k-(3k+21)-35=0

We get rid of parentheses

-15k-3k-21-35=0

We add all the numbers together, and all the variables

-18k-56=0

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

-18k=56

k=56/-18

k=-3+1/9

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