For which value(s) of a does the given system have infinitely many solutions?
{9x+y=−5ax+9y=−45\displaystyle {\left\lbrace\begin{array}{c} {9}{x}+{y}=-{5}\\{a}{x}+{9}{y}=-{45}\end{array}\right.}{9x+y=−5ax+9y=−45
a=\displaystyle {a}=a=
Submit Try a similar question