hang254
A=1/2h (b1 + b2) for b2



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hal_stirrup
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whats your Q????

hang254
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the one above

kiamonstaa
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you need numbers or something

hal_stirrup
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?????

hang254
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all it says is solve for the indicated variable. which appears to be b2

hal_stirrup
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\[A=\frac{ 1 }{ 2h } (b1 + b2) \]

hal_stirrup
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ok just to be clear i will multiply \[\frac{ 1 }{ 2h }\] by (b1+b2)
we have A=b1/2h + b2/2h

hang254
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ok, i am following you

hal_stirrup
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to get rid of 2h on hte right side we multiply by 2h so >>> A(2h)=(2h)(b1/2h + b2/2h)

hal_stirrup
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simplifying the equation we get>>>>> 2hA=b1+b2

hal_stirrup
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are we clear??

hang254
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yes, i am reading what u wrote right now

hal_stirrup
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good

hang254
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thanks

hal_stirrup
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and finally 2hAb1=b2.

hang254
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thank you

hal_stirrup
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your most welcome :)

hal_stirrup
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try to think what operators you can use to get rid of fractions so you can simplify it.

hang254
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ok. i will, thanks again