Respuesta:
x/3 + 1/3 + ((x + 2)/4) = x
x/3 + (x + 2)/4 = x - 1/3
4x + 3(x + 2) = 12x - 4
4x + 3x + 6 = 12x - 4
7x + 6 = 12x - 4
7x = 12x - 10
- 5x = - 10
x = 2
x=2
Explicación paso a paso:
