Resuelve el siguiente problema mediante un sistema de 2 grado Hallar la edad de una persona sabiendo que si el cuadrado se le resta el triple de la edad resulta ser 9

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36