Répondre :

Réponse:

B.7y-3y=14+22

4y=36

y=36÷4

y=9

C.6x+24=-4x+39

6x+4x = 39-24

10x=15

x=15÷10

×=1,5

hirondelle52

Bonjour;

B. 7y-22=14+3y

7y -3y =14+22

4y = 36

y = 36/4

y = 9

C. 3(2x+8)=-4x+39

6x +24 = -4x +39

6x +4x = 39-24

10x = 15

x = 15/10

x= 1,5

D'autres questions