x= 40+7x/12 calculer x . =/
Mathématiques
TamRdison
Question
x= 40+7x/12
calculer x . =/
calculer x . =/
1 Réponse
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1. Réponse maudmarine
x = 40 + 7x/12
12/12x = 480/12 + 7/12x
12x - 7x = 480
5x = 480
x = 480/5
x = 96