Find the value of `a` so that the following equation may have `x = -4` and `y = 1` as a solution. `-5x+2ay=-8`.

Find the value of a so that the following equation may have x = -4 and y = 1 as a solution. 3ax-7y=5 .

Find two solutions for the following equations: 2x + 5y = 0

Find two solutions for the following equation : 4x - y = 9.

For what value of m, the following system of equations have 2x + my = 1 , 3x - 5y = 7 :- no solution.

Find two solutions for the following equations: 4x + 3y = 12

Find the value of x Equation is x+5=4

Find the value of lambda the equation is 5x+y+lambda=0 where x=1 and y=5

For what value of m, the following system of equations have 2x + my = 1 , 3x - 5y = 7 :- a unique solution

Find the value of 'a' which the system of equation sin x * cos y=a^(2) and sin y* cos x =a have a solution

Determine the value of a for which the following system of linear equations has an infinite number of solutions : ax + 3y = a - 3, 12x + ay = a .