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sammy [17]
3 years ago
12

How do I solve literal equations? Ex. P=2(a+b) solve for b

Mathematics
2 answers:
son4ous [18]3 years ago
8 0
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
Mama L [17]3 years ago
3 0
P=2(a+b)\\
P=2a+2b\\
2b=P-2a\\
b=\frac{P-2a}{2}
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