👤

Sagot :

Réponse :

Bonjour,

a. 3x= 9

3x/3 = 9/3

x= 3

b. 5y = 3

5y / 5 = 3 / 5

y = 3/5

c. 4z = -7

4z/4 = -7/4

z = -7/4

d. -2z = -8

-2z/-2 = -8/-2

z = 8/2

z = 4

e.7x = 4

7x / 7 = 4/7

x = 4/7

f. -y = -7.2

-y * -1 = -7.2 * -1

y = 7.2

a toi les trois derniers ;)

Bon courage.

© 2024 IDNLearn. All rights reserved.