Algebra help.10 points.
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Algebra help.10 points.

[From: ] [author: ] [Date: 11-05-05] [Hit: ]
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solve for b: p=1/2h(a+b)

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dividing 1/2 is like multiplying by 2 so mult both sides by 2:
2p = h(a+b)

divide h by both sides:
2p/h = a+b

subtract a from both sides:
2p/h - a = b

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Will assume that question SHOULD read as :-

p = (1/2) ( h ) ( a + b ) and NOT as given.

2p / h = a + b

b = ( 2p / h ) - a

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p/"1/2h"-a=b
Divide both sides by "1/2h" and then subtract a from both sides. Thats how you get the above answer
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