Math, asked by sehgalmilan29, 5 months ago

If 7 . 5pr = 7pr – 1, then find r.

Answers

Answered by kumaankir694

21

Step-by-step explanation:

5pr=7pr-1

5pr-7pr=-1

-2pr=-1

2pr=1 ( -gets cancelled on both side)

pr=1/2

r=1/2p

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