If x = 1, y = 1 is a solution of the equation 3x + ay = 6, find the value of ‘a’.

If x = 3, y = 2 is a solution of the equation 5x - 7y = k, find the value of k and write the resultant equation.

If x = 2 – α and y = 2 + α is a solution of the equation 3x – 2y + 6 = 0 find the value of ‘α ’. Find three more solutions of the resultant equation.

If x = 2k + 1 and y = k is a solutions of the equation 5x + 3y - 7 = 0, find the value of k.

If x = a and y = b is the solution of the pair of equations x-y=2" and "x+y=4 , find the values of a and b.

If p and q are the roots of the equations x^(2) - 3x+ 2 = 0 , find the value of (1)/(p) - (1)/(q)

If p and q are the roots of the equation x^(2)-3x+2=0 , find the value of (1)/(q)-(1)/(q) .

If (x+ y ,x-y}=( 3,1) find the value of x and y

Find the relation between p and q if x = 3 and y = 1 is the solution of the pair of equations x-4y+p=0" and " 3x+y-q-2=0 .

Find the value of k, if x=2,y=1 is a solution of the equation 2x+3y=k .

If (x+1, y-2)=(3,1), find the values of x and y.