-4/7x+81=21

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Solution for -4/7x+81=21 equation: 



-4/7x+81=21

We move all terms to the left:

-4/7x+81-(21)=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R



We add all the numbers together, and all the variables

-4/7x+60=0

We multiply all the terms by the denominator


60*7x-4=0

Wy multiply elements

420x-4=0

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

420x=4

x=4/420

x=1/105

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