7/t=21

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Solution for 7/t=21 equation: 



7/t=21

We move all terms to the left:

7/t-(21)=0



Domain of the equation: t!=0

t∈R



We multiply all the terms by the denominator


-21*t+7=0

We add all the numbers together, and all the variables

-21t+7=0

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

-21t=-7

t=-7/-21

t=1/3

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