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3 years ago

7

Rearrange the formula to make a the subject

1 answer:

PilotLPTM [1.2K]3 years ago

7 0

Answer:

Step-by-step explanation:

p = (3n + a)/(n + a)

Cross multiply

p(n + a) = 3n +a

pn + pa = 3n + a

pa - a = 3n - pn

a(p - 1) = n(3 - p)

Dividing by p - 1

a = n(3 - p)/(p - 1)

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