29-08-2014
Mathematics

Answered

How do I solve literal equations?

Ex. P=2(a+b) solve for b

Verified Answer :

TaylorBayley TaylorBayley

29-08-2014

Sounds like rearranging to me:

P=2(a+b) -- expand brackets
P=2a+2b -- subtract 2a
P-2a=2b -- divide by 2

b=(P-2a)/2

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konrad509 konrad509

29-08-2014

\(P=2(a+b)\\ P=2a+2b\\ 2b=P-2a\\ b=\frac{P-2a}{2}\)

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