resoudre 15(1/5 b + 2) < 15(1/5 b - 4)
Mathématiques
wadecassi10
Question
resoudre 15(1/5 b + 2) < 15(1/5 b - 4)
1 Réponse
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1. Réponse maudmarine
15 (1/5b + 2) < 15 (1/5b - 4)
= 15/5b + 30 < 15/5b - 60
= 15/5b - 15/5b < - 60 - 30
= 0