MELINANUTELLA13
Answered

Resoudre les équations
A.x+7=3
B.x+7=-3
C.x-7=3
D.x-7=-3
E.4x=8
F.8x=4
G.xsur8=4
H.xsur4=1sur8
Merci beaucoup
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Sagot :

VINS

bonjour,

A.x+7=3  

x = 3 - 7

x = - 4

B.x+7=-3

x = - 3 - 7

x = - 10

C.x-7=3

x = 3 + 7

x = 10

D.x-7=-3

x  = - 3 + 7

x = 4

E.4x=8  

x = 2

F.8x=4

x =  4/8 = 1 /2

G.x/8=4

x  = 32

H.x/4 =1/8

8 x = 4

x = 4/8 = 1 /2