5=21/t

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Solution for 5=21/t equation: 



5=21/t

We move all terms to the left:

5-(21/t)=0



Domain of the equation: t)!=0

t!=0/1

t!=0

t∈R



We add all the numbers together, and all the variables

-(+21/t)+5=0

We get rid of parentheses

-21/t+5=0

We multiply all the terms by the denominator


5*t-21=0

We add all the numbers together, and all the variables

5t-21=0

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

5t=21

t=21/5

t=4+1/5

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