-3(12+11k)=-9(10+4k)

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Solution for -3(12+11k)=-9(10+4k) equation: 



-3(12+11k)=-9(10+4k)

We move all terms to the left:

-3(12+11k)-(-9(10+4k))=0

We add all the numbers together, and all the variables

-3(11k+12)-(-9(4k+10))=0

We multiply parentheses

-33k-(-9(4k+10))-36=0



We calculate terms in parentheses: -(-9(4k+10)), so:

-9(4k+10)

We multiply parentheses

-36k-90

Back to the equation:

-(-36k-90)



We get rid of parentheses

-33k+36k+90-36=0

We add all the numbers together, and all the variables

3k+54=0

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

3k=-54

k=-54/3

k=-18

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