-7(3+4k)=91

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Solution for -7(3+4k)=91 equation: 



-7(3+4k)=91

We move all terms to the left:

-7(3+4k)-(91)=0

We add all the numbers together, and all the variables

-7(4k+3)-91=0

We multiply parentheses

-28k-21-91=0

We add all the numbers together, and all the variables

-28k-112=0

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

-28k=112

k=112/-28

k=-4

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