9-r/10=18

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Solution for 9-r/10=18 equation: 



9-r/10=18

We move all terms to the left:

9-r/10-(18)=0

We add all the numbers together, and all the variables

-r/10-9=0

We multiply all the terms by the denominator


-r-9*10=0

We add all the numbers together, and all the variables

-1r-90=0

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

-r=90

r=90/-1

r=-90

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