45=7(-4k+7)+4(5k+1)

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Solution for 45=7(-4k+7)+4(5k+1) equation: 



45=7(-4k+7)+4(5k+1)

We move all terms to the left:

45-(7(-4k+7)+4(5k+1))=0



We calculate terms in parentheses: -(7(-4k+7)+4(5k+1)), so:

7(-4k+7)+4(5k+1)

We multiply parentheses

-28k+20k+49+4

We add all the numbers together, and all the variables

-8k+53

Back to the equation:

-(-8k+53)



We get rid of parentheses

8k-53+45=0

We add all the numbers together, and all the variables

8k-8=0

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

8k=8

k=8/8

k=1

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