-8(9+k)=72

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Solution for -8(9+k)=72 equation: 



-8(9+k)=72

We move all terms to the left:

-8(9+k)-(72)=0

We add all the numbers together, and all the variables

-8(k+9)-72=0

We multiply parentheses

-8k-72-72=0

We add all the numbers together, and all the variables

-8k-144=0

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

-8k=144

k=144/-8

k=-18

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