1/7x=21

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Solution for 1/7x=21 equation: 



1/7x=21

We move all terms to the left:

1/7x-(21)=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R



We multiply all the terms by the denominator


-21*7x+1=0

Wy multiply elements

-147x+1=0

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

-147x=-1

x=-1/-147

x=1/147

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