subtitute 5x -2y=11,4x-3y=6
Mathématiques
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Question
subtitute 5x -2y=11,4x-3y=6
1 Réponse
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1. Réponse pierremurt
5x - 2y = 11
x = (11+2y)/5
and then
4(11+2y)/5 - 3y = 6
44 + 8y - 15y = 30
y = 2
and x = (11+4)/5 = 3