9=-9/7t

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Solution for 9=-9/7t equation: 



9=-9/7t

We move all terms to the left:

9-(-9/7t)=0



Domain of the equation: 7t)!=0

t!=0/1

t!=0

t∈R



We get rid of parentheses

9/7t+9=0

We multiply all the terms by the denominator


9*7t+9=0

Wy multiply elements

63t+9=0

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

63t=-9

t=-9/63

t=-1/7

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