8k-7(1+3k)=84

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Solution for 8k-7(1+3k)=84 equation: 



8k-7(1+3k)=84

We move all terms to the left:

8k-7(1+3k)-(84)=0

We add all the numbers together, and all the variables

8k-7(3k+1)-84=0

We multiply parentheses

8k-21k-7-84=0

We add all the numbers together, and all the variables

-13k-91=0

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

-13k=91

k=91/-13

k=-7

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