7(3-k)=-3k-4

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Solution for 7(3-k)=-3k-4 equation: 



7(3-k)=-3k-4

We move all terms to the left:

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

We add all the numbers together, and all the variables

7(-1k+3)-(-3k-4)=0

We multiply parentheses

-7k-(-3k-4)+21=0

We get rid of parentheses

-7k+3k+4+21=0

We add all the numbers together, and all the variables

-4k+25=0

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

-4k=-25

k=-25/-4

k=6+1/4

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