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Make r the subject of the formula t= r/r-3

User EPB
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1 Answer

4 votes

Answer:

r = 3t/t-1

Explanation:

t = r/r-3

1. times both sides by r-3

t(r-3) = r

= tr - 3t = r

2. add 3t to both sides

tr = 3t + r

3. minus r

tr - r = 3t

4. factorise out r

r(t-1)=3t

5. divide by t-1

r = 3t/t-1

User Sreekanth Karini
by
8.7k points

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