Répondre :
Bonjour;
1)
3x=24
x= 24/3
x = 8
crabe: 8
2)
2y+8= 22
2y = 22-8
2y = 14
y = 14/2
y = 7
tortue: 7
3)
c
a
e
b
d
4)
2z +7= 17
2z = 17-7
2z = 10
z= 10/2
z= 5
coquillage: 5
5)
8+ 5+ 7 = 20
Joseph a raison
bonjour
1 ) 3 x = 24
x = 8
2 ) 2 y + x = 22
3 ) 2 y = 22 - 8
2 y = 14
y = 7
4 ) 2 z + y = 17
2 z + 7 = 17
2 z = 17 - 7
2 z = 10
z = 5
5 ) 8 + 5 + 7 = 20
Joseph a raison