2006-11-24T22:05:58Z https://www.matematicasies.com/inecuaciones-grado1-2incognitas#comment55 2006-11-24T22:05:58Z

<img src='https://www.matematicasies.com/images/inec/1d)%202x+2y' alt="1d) 2x+2y<10">