Question

10x+3x=50-5x ecuacion de primer
grado?

Answer 1

$10x+3x=50-5x$
$13x=50-5x$
$13x+5x=50-5x+5x$
$18x=50$
$\frac{18x}{18}=\frac{50}{18}$
$x=\frac{25}{9}$