Question

resolva a inequação 9+x≥3(x+5)-x

Answer 1

$9 + x \geqslant 3(x + 5) - x \\ 9 + x \geqslant 3x + 15 - x \\ x - 3x + x \geqslant 15 - 9 \\ - x \geqslant 6( - 1) \\ x \leqslant - 6$
Espero ter ajudado!