3(9-5k)=12(k-7)

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Solution for 3(9-5k)=12(k-7) equation: 



3(9-5k)=12(k-7)

We move all terms to the left:

3(9-5k)-(12(k-7))=0

We add all the numbers together, and all the variables

3(-5k+9)-(12(k-7))=0

We multiply parentheses

-15k-(12(k-7))+27=0



We calculate terms in parentheses: -(12(k-7)), so:

12(k-7)

We multiply parentheses

12k-84

Back to the equation:

-(12k-84)



We get rid of parentheses

-15k-12k+84+27=0

We add all the numbers together, and all the variables

-27k+111=0

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

-27k=-111

k=-111/-27

k=4+1/9

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