142=2(7-8k)

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Solution for 142=2(7-8k) equation: 



142=2(7-8k)

We move all terms to the left:

142-(2(7-8k))=0

We add all the numbers together, and all the variables

-(2(-8k+7))+142=0



We calculate terms in parentheses: -(2(-8k+7)), so:

2(-8k+7)

We multiply parentheses

-16k+14

Back to the equation:

-(-16k+14)



We get rid of parentheses

16k-14+142=0

We add all the numbers together, and all the variables

16k+128=0

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

16k=-128

k=-128/16

k=-8

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