Hi,
The value of m in 2m + 3m = 15 is 3, because:
2x3 = 6, 3x3 = 9, and 6 + 9 = 15
Good evening !
Réponse :
2 m + 3 m = 15 ⇔ 5 m = 15 ⇔ m = 15/5 ⇔ m = 3
Explications étape par étape
