Mathématiques

Question

simultanous equation
simultanous equation

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  • hello,

    -3 ( 3/19) + 2y = -8
    -9/19 + 2y = -8
    2y = -8 + 9/19
    2y = -152/19 + 9/19
    2y = -143/19
    y = -143/19 * 1/2
    y = calcul ^^

  • Bonjour,
    -9/19 + 2y = -8
    2y= -8 + 9/19
    2y= -152/19 +9/19
    2y= -143/19
    19 x 2y = -143
    38 y= -143
    y= -143/38

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