Sagot :
bonjour,
a)
5x -7=0
5x= 7
x= 7/5
b)
7x-4 = 2x+6
7x-2x = 6+4
5x = 10
x= 10/5
x= 2
bjr
5x - 7 = 0
5x = 7
x = 7/5
7x - 4 = 2x + 6
7x - 2x = 6 + 4
5x = 10
x = 10/5
x = 2
bonne journée
bonjour,
a)
5x -7=0
5x= 7
x= 7/5
b)
7x-4 = 2x+6
7x-2x = 6+4
5x = 10
x= 10/5
x= 2
bjr
5x - 7 = 0
5x = 7
x = 7/5
7x - 4 = 2x + 6
7x - 2x = 6 + 4
5x = 10
x = 10/5
x = 2
bonne journée