Question

4x-(-3x+9-2x) algebricas equacao me ajudem

Answer 1

$4x-(-3x+9-2x)=0 \to\\\\ 4x-(-5x+9)=0 \to\\\\ 4x+5x-9\to \\\\ 9x-9=0\to\\\\ 9x=9\to \\\\ x= \frac{9}{9} \to \\\\x=1$