Question

resolva em R a inequacao
$\frac{x - 1}{2} - \frac{x - 3}{4} \geqslant 1$
​

Answer 1

$\frac{x-1}{2}-\frac{x-3}{4}\geq1$

$\frac{(x-1).4-(x-3).2}{2.4}\geq1$

$\frac{4x-4-2x-6}{8}\geq1$

$4x-2x-4-6\geq1.8$

$2x-10\geq8$

$2x\geq8+10$

$2x\geq18$

$x\geq\frac{18}{2}\geq9$

$Sol:x\in[9[$

Espero ter ajudado bastante!)