Résoudre l'équation : 0.1x°+0.2x + 0.3 = 0.8 x

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Grade: Education Subject: mathematiques
Résoudre l'équation : 0.1x°+0.2x + 0.3 = 0.8 x
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Best Answer
(148)
 0.1x°+0.2x + 0.3 = 0.8 x
0.1 + 0.2x + 0.3 = 0.8x   (
x°=1)
x + 0.4 = 0.8 x
x - 0.8 x = -0.4
0.2x = -0.4
x = -2
(155)
Bonsoir,

[tex]0.1*x^0+0.2*x+0.3=0.8*x\\ ==\ \textgreater \ 1+2x+3=8x\\ ==\ \textgreater \ 4=6x\\ ==\ \textgreater \ x= \frac{2}{3} [/tex]