What's the general rule for recognizing when a system of equations can be solved with fewer equations than unknowns?
2026-09-19 00:39:18
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allroundleftie :
I still don’t get it. I can do mental arithmetic from playing darts, but that’s it!😬
2026-09-18 23:25:30
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Blus00t :
Uh no. Whole numbers do not include negatives.
2026-09-18 04:18:48
2
The Storyteller :
a=3, b=2, c=4
calculated it mentally 😁
2026-09-17 12:05:35
2
:
whole numbers are all postive numbers, if negatives are included we call them integers 🥰🥰🥰
2026-09-18 12:30:48
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Wallu :
What's the point?
2026-09-17 22:14:22
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Abrante3 Dynamite :
but -1 is not a whole number
2026-09-17 18:49:27
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Maci Sordi :
Ab+c-(a+bc)=-1 -> a(b-1)+c(1-b)=-1->(b-1)(a-c)=-1 therefore b-1=1 or b-1=-1, if b=2 a-c=-1 and a=c-1 therefore c=4 and a=3, if b=0 a=c+1, so a=11 and c=10
2026-09-17 08:36:43
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thedoodledot :
3,2,4… easy!
2026-09-18 00:14:34
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Felix :
Harvard? 🤔
(c-a)(b-1)=1 => (1,1) (-1,-1)
11-0-10 or 3-2-4
2026-09-17 17:22:48
4
zaimokoya :
there's no Harvard entry exam
2026-09-17 13:00:41
2
xShadow432x :
a=3, b=2, c=4 took me 10 sec
2026-09-17 16:11:17
2
Anthony de Burgh :
I got it in a minute by guessing that b=0. Then a=11 and c=10.
2026-09-18 13:11:31
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Kevin Mills9391 :
I don’t think I would have gotten into Harvard
2026-09-18 04:32:10
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🐉 Mark¹⁷ :
3x2+4=10
3+2x4=11
2026-09-17 20:21:04
1
ME :
b=0
a=11
c=10
2026-09-18 06:13:17
1
rude :
9 1 1
2026-09-17 12:40:22
1
Edu programa :
a,b,c = {(3,2,4) , (11,0,10)} 🤔 👍🏻
2026-09-17 12:38:50
1
Dexter :
3,2,4
2026-09-18 22:56:15
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Blume'n Wulf :
a = 11
b = 0
c = 10
2026-09-18 08:28:25
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Abuahmed :
1/2 * 2 = 1🤣
2026-09-18 06:05:35
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Avesta4792 :
A=1 B=5 C=5
2026-09-18 21:16:03
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user4147235267286 :
а=3, в=2, с=4👍
2026-09-18 17:51:00
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