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Need help with question 20

Need help with question 20
asked 33.3k views
1 vote
Need help with question 20

Need help with question 20-example-1
asked
User Phucbm
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8.2k points

1 Answer

3 votes
I would start by dividing by all the multipliers of the parentheses.

(PV)/(nt) = r_(1) +r_(2)
Then, I would subtract the unwanted variable from the sum.

(PV)/(nt) -r_(2) = r_(1)
answered
User Alexandre Danault
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7.7k points
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