33=12(1-7k)-9(11+4k)

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Solution for 33=12(1-7k)-9(11+4k) equation: 



33=12(1-7k)-9(11+4k)

We move all terms to the left:

33-(12(1-7k)-9(11+4k))=0

We add all the numbers together, and all the variables

-(12(-7k+1)-9(4k+11))+33=0



We calculate terms in parentheses: -(12(-7k+1)-9(4k+11)), so:

12(-7k+1)-9(4k+11)

We multiply parentheses

-84k-36k+12-99

We add all the numbers together, and all the variables

-120k-87

Back to the equation:

-(-120k-87)



We get rid of parentheses

120k+87+33=0

We add all the numbers together, and all the variables

120k+120=0

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

120k=-120

k=-120/120

k=-1

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