Réponses

  • Utilisateur Brainly
2014-10-11T20:58:49+02:00
6,25 x + 8,75x + 70 = 15x + 70
15x + 70 = 15x + 70
15x - 15x = 70 - 70
0x = 0

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2014-10-11T20:59:00+02:00
6.25x+8.75x+70=15x+70
15x+70 = 15x+70
15x-15x = 70-70
0 = 0