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Ann [662]
3 years ago
10

Does anyone know how to solve?

Mathematics
2 answers:
jek_recluse [69]3 years ago
7 0
Basically you canceling out and your answer is R= 1/2
DIA [1.3K]3 years ago
7 0
Remember that to add/subtract fractions you need a common denominator...

3/(r-2)+1/r=0  so we need r(r-2) as the common denominator...

3r/(r(r-2))+(r-2)/(r(r-2))=0  we can cancel out the r(r-2) by multiplying the whole equation by it leaving us with:

3r+r-2=0 combine like terms

4r-2=0  add 2 to both sides

4r=2  divide both sides by 4

r=1/2
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