20/120*x=21

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Solution for 20/120*x=21 equation: 



20/120x=21

We move all terms to the left:

20/120x-(21)=0



Domain of the equation: 120x!=0

x!=0/120

x!=0

x∈R



We multiply all the terms by the denominator


-21*120x+20=0

Wy multiply elements

-2520x+20=0

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

-2520x=-20

x=-20/-2520

x=1/126

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