r-85/2=4

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Solution for r-85/2=4 equation: 



r-85/2=4

We move all terms to the left:

r-85/2-(4)=0

determiningTheFunctionDomain
r-4-85/2=0

We multiply all the terms by the denominator


r*2-85-4*2=0

We add all the numbers together, and all the variables

r*2-93=0

Wy multiply elements

2r-93=0

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

2r=93

r=93/2

r=46+1/2

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