7/9r=1

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Solution for 7/9r=1 equation: 



7/9r=1

We move all terms to the left:

7/9r-(1)=0



Domain of the equation: 9r!=0

r!=0/9

r!=0

r∈R



We multiply all the terms by the denominator


-1*9r+7=0

Wy multiply elements

-9r+7=0

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

-9r=-7

r=-7/-9

r=7/9

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