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Sagot :

Réponse:

A) x + 3=2

X + 3-3=2-3

X=-1

B)-5+x=4

-5+5+x=4+5

X=9

C) 3x=2

3x:3=2:3

X=2:3

D)-5x=4

-5x:-5=4:-5

X=-4:5

E)-4x=-10

-4x:-4=-10:-4

X=-10:4

F)3-x=-8

3-3-x=-8-3

X=-11

Pour les division faut mettre une barre de fraction

bonjour,

a. x + 3 = 2

x = 2-3

x = -1

b. -5 + x = 4

x = 4+5

x=9

c. 3x= 2

x =2/3

d. -5x = 4

x = 4/-5

x = -0,8

e . -4x = -10

x = -10/-4

x = 2,5

f. 3-x = -8

-x = -8 - 3

-x = -11

x = 11

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