7/5=21x

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Solution for 7/5=21x equation: 



7/5=21x

We move all terms to the left:

7/5-(21x)=0

We multiply all the terms by the denominator


-21x*5+7=0

Wy multiply elements

-105x+7=0

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

-105x=-7

x=-7/-105

x=1/15

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