-140=-5k-5(8+4k)

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Solution for -140=-5k-5(8+4k) equation: 



-140=-5k-5(8+4k)

We move all terms to the left:

-140-(-5k-5(8+4k))=0

We add all the numbers together, and all the variables

-(-5k-5(4k+8))-140=0



We calculate terms in parentheses: -(-5k-5(4k+8)), so:

-5k-5(4k+8)

We multiply parentheses

-5k-20k-40

We add all the numbers together, and all the variables

-25k-40

Back to the equation:

-(-25k-40)



We get rid of parentheses

25k+40-140=0

We add all the numbers together, and all the variables

25k-100=0

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

25k=100

k=100/25

k=4

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