-1=r+6/9

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Solution for -1=r+6/9 equation: 



-1=r+6/9

We move all terms to the left:

-1-(r+6/9)=0

We add all the numbers together, and all the variables

-(+r+6/9)-1=0

We get rid of parentheses

-r-1-6/9=0

We multiply all the terms by the denominator


-r*9-6-1*9=0

We add all the numbers together, and all the variables

-r*9-15=0

Wy multiply elements

-9r-15=0

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

-9r=15

r=15/-9

r=-1+2/3

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