Question

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

Answer 1

since , x= 1 and y= 1

therefore , 3x+ay = 0 value will be ,

3x1 + ax1 = 0 ,

or , 3+a = 0 ,

or , a = -3

so value of a is -3 (Ans)