Mathématiques

Question

Résoudre les équations suivantes.
b. x + 7 = -3
d. x - 7 = -3
a. X + 7 = 3
C. X – 7 = 3
e. 4x = 8
f. 8x = 4
h.
II
g.
= 4
$100
1
8
4.
MERCI D'AVANCE!

1 Réponse

  • Bjr,

    x + 7 = -3

    x = - 3 - 7

    x = -10

    x - 7 = - 3

    x = - 3 + 7

    x = 4

    x + 7 = 3

    x = 3 - 7

    x = -4

    x - 7 = 3

    x = 3 + 7

    x = 10

    4x = 8

    x = 8/4 = 2

    8x = 4

    x = 4/8 = 2/4 = 1/2 = 0.5

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