x-.92x=24 How to solve on Prime?
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04-23-2016, 07:47 AM
Post: #1
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x-.92x=24 How to solve on Prime?
is there a name for this type of equation?
x-.92x=24 and how do I make the prime solve this? I know the answer is x=300, but I cannot figure out how to make the prime solve an equation like this. |
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04-23-2016, 08:03 AM
Post: #2
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RE: x-.92x=24 How to solve on Prime?
(04-23-2016 07:47 AM)SalivationArmy Wrote: is there a name for this type of equation? In CAS: solve(x-.92x=24, x) -> 300 Salvo ∫aL√0mic (IT9CLU) :: HP Prime 50g 41CX 71b 42s 39s 35s 12C 15C - DM42, DM41X - WP34s Prime Soft. Lib |
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04-23-2016, 09:45 AM
(This post was last modified: 04-23-2016 11:10 AM by Aries.)
Post: #3
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RE: x-.92x=24 How to solve on Prime?
(04-23-2016 07:47 AM)SalivationArmy Wrote: is there a name for this type of equation? Hi SalivationArmy, that's an equation with one variable having no powers, it's called first-degree equation ;-) Just collect like terms, isolate the variable and get x by itself: x*(1-0.92)=24 --> 0.08*x=24 --> x=24/0.08=300, that's it ! A piece of cake for the Prime !!!!! Best, Aries :-) |
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04-23-2016, 09:53 AM
Post: #4
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RE: x-.92x=24 How to solve on Prime?
Another way, (assuming X is a real number):
In the Apps Library, the Solve App can be useful in [HOME] mode for linear equations like your example. Remember to use upper case X for your variable when you enter your equation in the [Symb] view. Then go to the [Num] view and just press the [Solve] black soft-key, which will return 300 in the solve box for X. -Dale- |
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