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Given that 3=a+r/a-r,make r the subject of the formula?​
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Given that 3=a+r/a-r,make r the subject of the formula?​

User Mike Lorenz
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1 Answer

4 votes

Answer:

Explanation:


3=(a+r)/(a-r) \\3a-3r=a+r\\3a-a=r+3r\\4r=2a\\r=(1)/(2) a

User Epoc
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