2000=4200/a

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Solution for 2000=4200/a equation: 



2000=4200/a

We move all terms to the left:

2000-(4200/a)=0



Domain of the equation: a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+4200/a)+2000=0

We get rid of parentheses

-4200/a+2000=0

We multiply all the terms by the denominator


2000*a-4200=0

We add all the numbers together, and all the variables

2000a-4200=0

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

2000a=4200

a=4200/2000

a=2+1/10

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