aider-moi svp 1/3 + (x-12) = x
Mathématiques
killer134
Question
aider-moi svp 1/3 + (x-12) = x
1 Réponse
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1. Réponse telephone16
1 + (x-12) = x
3
1 +x -12 = x
3
1/3 +x/3 -36/3 = x/3
1 -36 +x = x
-35 +x = x
x-x=+35
35