9=1/2r-10

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Solution for 9=1/2r-10 equation: 



9=1/2r-10

We move all terms to the left:

9-(1/2r-10)=0



Domain of the equation: 2r-10)!=0

r∈R



We get rid of parentheses

-1/2r+10+9=0

We multiply all the terms by the denominator


10*2r+9*2r-1=0

Wy multiply elements

20r+18r-1=0

We add all the numbers together, and all the variables

38r-1=0

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

38r=1

r=1/38

r=1/38

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