-3/21x=120

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Solution for -3/21x=120 equation: 



-3/21x=120

We move all terms to the left:

-3/21x-(120)=0



Domain of the equation: 21x!=0

x!=0/21

x!=0

x∈R



We multiply all the terms by the denominator


-120*21x-3=0

Wy multiply elements

-2520x-3=0

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

-2520x=3

x=3/-2520

x=-1/840

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