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.

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

If x=1 and x=2 are solutions of equations x^3+a x^2+b x+c=0 and a+b=1, then find the value of bdot

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

2x +y/5=1 in this equation replace y by x and find value of x and y.

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

x/2-y/3=3 in this equation replace y by x and find value of x and y.