Question

encontrar el valor de x de ( 9x + 6) : 3 + 12 = 13​

Answer 1

Hola! :3
Resolvemos la ecuación:
(9x + 6)/3 + 12 = 13
(9x + 6)/3 = 13 - 12
(9x + 6)/3 = 1
9x + 6 = 1 × 3
9x + 6 = 3
9x = 3 - 6
9x = -3
x = -3/9
x = -1/3

Espero haberte ayudado :D
Atte: Jean07122006