1/9r=-10

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Solution for 1/9r=-10 equation: 



1/9r=-10

We move all terms to the left:

1/9r-(-10)=0



Domain of the equation: 9r!=0

r!=0/9

r!=0

r∈R



We add all the numbers together, and all the variables

1/9r+10=0

We multiply all the terms by the denominator


10*9r+1=0

Wy multiply elements

90r+1=0

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

90r=-1

r=-1/90

r=-1/90

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