Question

if x=1,y=1 is a solution of the equation 3x+ay=6, find the value of 'a'​

Answer 1

to answer this put the values of X and y in the given equation.

$3x + ay = 6 \\ 3(1) + a(1) = 6 \\ 3 + a = 6 \\ a = 3$

Hope it helps......