Question

x/3-3=11 con comprobacion el x/3 es fraccion

Answer 1

solucion

$\frac{x}{3} -3=11 \\ \\ \frac{x-9}{3} = 11 \\ \\ x-9 = 3.11 \\ \\ x-9 = 33 \\ \\ x = 33+9 \\ \\ x=42 \\ \\ comprobacion \\ \\ \frac{42}{3} -3 = 11 \\ \\ 14-3 =11 \\ \\ 11= 11 \\ \\ saludos$