45=-3(1-4k)

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Solution for 45=-3(1-4k) equation: 



45=-3(1-4k)

We move all terms to the left:

45-(-3(1-4k))=0

We add all the numbers together, and all the variables

-(-3(-4k+1))+45=0



We calculate terms in parentheses: -(-3(-4k+1)), so:

-3(-4k+1)

We multiply parentheses

12k-3

Back to the equation:

-(12k-3)



We get rid of parentheses

-12k+3+45=0

We add all the numbers together, and all the variables

-12k+48=0

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

-12k=-48

k=-48/-12

k=+4

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