-21=3/5t

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Solution for -21=3/5t equation: 



-21=3/5t

We move all terms to the left:

-21-(3/5t)=0



Domain of the equation: 5t)!=0

t!=0/1

t!=0

t∈R



We add all the numbers together, and all the variables

-(+3/5t)-21=0

We get rid of parentheses

-3/5t-21=0

We multiply all the terms by the denominator


-21*5t-3=0

Wy multiply elements

-105t-3=0

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

-105t=3

t=3/-105

t=-1/35

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