-1/8k=-21

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Solution for -1/8k=-21 equation: 



-1/8k=-21

We move all terms to the left:

-1/8k-(-21)=0



Domain of the equation: 8k!=0

k!=0/8

k!=0

k∈R



We add all the numbers together, and all the variables

-1/8k+21=0

We multiply all the terms by the denominator


21*8k-1=0

Wy multiply elements

168k-1=0

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

168k=1

k=1/168

k=1/168

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