2/5r-5=8

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Solution for 2/5r-5=8 equation: 



2/5r-5=8

We move all terms to the left:

2/5r-5-(8)=0



Domain of the equation: 5r!=0

r!=0/5

r!=0

r∈R



We add all the numbers together, and all the variables

2/5r-13=0

We multiply all the terms by the denominator


-13*5r+2=0

Wy multiply elements

-65r+2=0

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

-65r=-2

r=-2/-65

r=2/65

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