It is known that the system of linear equations ax-2t = 1,3x + 4Y = 5 with respect to X and y has no solution Finding the value of a

It is known that the system of linear equations ax-2t = 1,3x + 4Y = 5 with respect to X and y has no solution Finding the value of a

Ax-2y = 1,3x + 4Y = 5 no solution
2ax-4y=2,
The sum of 3x + 4Y = 5 gives (2a + 3) x = 7
Make it unsolved
That is 2A + 3 = 0
A = - 3 / 2