r-1/2=4

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Solution for r-1/2=4 equation: 



r-1/2=4

We move all terms to the left:

r-1/2-(4)=0

determiningTheFunctionDomain
r-4-1/2=0

We multiply all the terms by the denominator


r*2-1-4*2=0

We add all the numbers together, and all the variables

r*2-9=0

Wy multiply elements

2r-9=0

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

2r=9

r=9/2

r=4+1/2

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