Roqi Roqi
  • 29-08-2014
  • Mathematics
Answered

How do I solve literal equations? 

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

Answer :

TaylorBayley
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
Answer Link
konrad509
konrad509 konrad509
  • 29-08-2014
[tex] P=2(a+b)\\ P=2a+2b\\ 2b=P-2a\\ b=\frac{P-2a}{2}[/tex]
Answer Link

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