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Make r the subject of P=r+2r+2a

Make r the subject of P=r+2r+2a
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4 votes
Make r the subject of P=r+2r+2a

User Justin Domnitz
by
7.7k points

1 Answer

10 votes

Answer:


r=(P)/(3) -(2a)/(3)

Explanation:

Simplify by combining like terms.

P=3r+2a

Subtract 2a from both sides.

P-2a=3r.

Flip the equation.

3r=P-2a

Divide both sides by 3.


r=(P)/(3) -(2a)/(3)

User DimSutar
by
7.7k points
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