Sagot :
bonsoir
12x + 3 = 6x + 27
12x - 6x = 27 - 3
6x = 24
x = 24 / 6
x = 4
bon courage
Bonjour,
12x+ 3 = 3(2x+9)
12x+ 3 = 6x+27
12x-6X = 27-3
6X=24
X=24/6
X=4
S={4 }
VERIF:
12·4+ 3 = 3(2·4+9)
48+3=3·17
51=51 VRAI
bonsoir
12x + 3 = 6x + 27
12x - 6x = 27 - 3
6x = 24
x = 24 / 6
x = 4
bon courage
Bonjour,
12x+ 3 = 3(2x+9)
12x+ 3 = 6x+27
12x-6X = 27-3
6X=24
X=24/6
X=4
S={4 }
VERIF:
12·4+ 3 = 3(2·4+9)
48+3=3·17
51=51 VRAI