Question

X/2+x/6<7+x inecuacion

Answer 1

$\frac{x}{2} + \frac{x}{6} < 7 + x \\ 6( \frac{x}{2} + \frac{x}{6} ) < 6(7 + x) \\ 3x + x < 42 + 6x \\ 4x < 42 + 6x \\ - 42 < 6x - 4x \\ - 42 < 2x \\ - \frac{42}{2} < x \\ - 21 < x \\ La \: \: solución \: \: es \: \: ( - 21, + \infty ) .$