3/1x=21

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Solution for 3/1x=21 equation: 



3/1x=21

We move all terms to the left:

3/1x-(21)=0



Domain of the equation: 1x!=0

x∈R



We multiply all the terms by the denominator


-21*1x+3=0

Wy multiply elements

-21x+3=0

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

-21x=-3

x=-3/-21

x=1/7

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