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Author Topic: Mathematical Function  (Read 769 times)

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Offline Shafol

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Mathematical Function
« on: November 18, 2011, 05:35:40 pm »
3x + 5(y+1) = 3
2x - 3(y-x)=16


anyone here can get the right answer?  :idea:
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Offline Christo

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Re: Mathematical Function
« Reply #1 on: November 18, 2011, 06:17:08 pm »
*dies*

You have to determine y first, right? How I hated that shit.
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Offline Moncho

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Re: Mathematical Function
« Reply #2 on: November 18, 2011, 06:17:34 pm »
Or use WolframAlpha
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Offline Christo

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Re: Mathematical Function
« Reply #3 on: November 18, 2011, 06:19:19 pm »
What
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Offline Moncho

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Re: Mathematical Function
« Reply #4 on: November 18, 2011, 06:20:46 pm »
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Offline LordBerenger

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Re: Mathematical Function
« Reply #5 on: November 18, 2011, 06:31:22 pm »
Paul just pops in here and goes Math nerd rage on yall.
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Offline Nessaj

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Re: Mathematical Function
« Reply #6 on: November 18, 2011, 06:38:28 pm »
3x + 5(y+1) = 3
2x - 3(y-x) = 16

3x+5y+5 = 3
2x-3y+3x = 16

3x+5y = -2 /*3
5x-3y = 16 /*5

9x+15y = -6
25x-15y = 80

(add)

34x = 74
X = 37/17

3x+5y = -2
3* 37/17+5y = -2
111/17+5y = -2
5y = -2-111/17
5y = -145/17
Y = -29/17
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Offline Noctivagant

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Re: Mathematical Function
« Reply #7 on: November 18, 2011, 07:32:56 pm »
...and you solved the problem, your homework is done now you can play crpg all weekend.
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