Sagot :
Bonjour,
5x 7=0
5x = -7
x = -7/5
7x - 4 = 2x + 6
7x - 2x = 6 + 4
5 x = 10
x = 2
J'espère t'avoir aidé
Bonsoir,
5x 7=0
Il manque un signe.
5x+7 ?
5x+7 = 0
5x= -7
x= -7/5
5x-7?
5x-7 = 0
5x= 7
x= 7/5
7x - 4 = 2x + 6
7x-2x =6+4
9x = 10
x= 9/10
Bonjour,
5x 7=0
5x = -7
x = -7/5
7x - 4 = 2x + 6
7x - 2x = 6 + 4
5 x = 10
x = 2
J'espère t'avoir aidé
Bonsoir,
5x 7=0
Il manque un signe.
5x+7 ?
5x+7 = 0
5x= -7
x= -7/5
5x-7?
5x-7 = 0
5x= 7
x= 7/5
7x - 4 = 2x + 6
7x-2x =6+4
9x = 10
x= 9/10