8(12-k)=3k+21

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Solution for 8(12-k)=3k+21 equation: 



8(12-k)=3k+21

We move all terms to the left:

8(12-k)-(3k+21)=0

We add all the numbers together, and all the variables

8(-1k+12)-(3k+21)=0

We multiply parentheses

-8k-(3k+21)+96=0

We get rid of parentheses

-8k-3k-21+96=0

We add all the numbers together, and all the variables

-11k+75=0

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

-11k=-75

k=-75/-11

k=6+9/11

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