5x _11 + 3÷4 = 2x _15

SVP
aidez mois​


Sagot :

Bonjour

5x - 11 + 3/4 = 2x - 15

5x - 2x = - 15 + 11 - 3/4

3x = - 4 - 3/4

12x/4 = - 16/4 - 3/4

12x = - 19

x = - 19/12.