2/7s=20

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Solution for 2/7s=20 equation: 



2/7s=20

We move all terms to the left:

2/7s-(20)=0



Domain of the equation: 7s!=0

s!=0/7

s!=0

s∈R



We multiply all the terms by the denominator


-20*7s+2=0

Wy multiply elements

-140s+2=0

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

-140s=-2

s=-2/-140

s=1/70

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