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Subject: Re: Exercice pour les jeunes
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Date: Sat, 08 Jun 24 17:48:43 +0000
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From: Marioux Paule <marioux-paule@invalid.fr>
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Le 08/06/2024 à 19:14, kurtz le pirate a écrit :
> On 06/06/2024 16:09, Richard Hachel wrote:
>>  Oh dis donc, héé!!!
>> 
>>  Comment tu fais tout ça? 

>>  Et avec :
>> 2x+3y=19
>> 5x+y=15
>> 
>>  Ca marche aussi?
> 
> oui, ça marche pour tout
> 
> x = -26/-13 = 2 et y = -65/-13 = 5

Je sais pas pour vous, mais moi, je fais comme ça.

ax+by=c
a'x+b'y=c'

x=(c-c'b)/(a-a')

y=(c'-ac)/(b'-b)

J'ai bon?

Marioux Paule