Sagot :

loulakar

Bonjour


3x/4 = 5

x = 5 * 4/3

x = 20/3


4x - 3 = 11

4x = 11 + 3

x = 14/4

x = (2 * 7)/(2 * 2)

x = 7/2


7 - 8x = 56

8x = 7 - 56

x = -49/8


6x - 4 = 3x + 14

6x - 3x = 14 + 4

3x = 18

x = 18/3


9 - 2x = 11 + 4x

4x + 2x = 9 - 11

6x = -2

x = -2/6

x = -2/(2 * 3)

x = -1/3