👤

Sagot :

THEO

Bonjour,

• -15m - 10 + 3m + 15

= -15m + 3m - 10 + 15

= -12m + 5

• 7 + (2m + 3) - (m - 4)

= 7 + 2m + 3 - m + 4

= 2m - m + 7 + 3 + 4

= m + 14

• -5m - 3 + 2m + 7

= -5m + 2m - 3 + 7

= -3m + 4

Bonne journée !

© 2024 IDNLearn. All rights reserved.