Question

3x-4y = 10 and 4x + 3y = 5. Find the values of dx
and Dy to solve the simultaneous equations by
Gramen's rule.​

Answer 1

Answer:

$3x-4y = 10 + 4x + 3y = 5.$

$3x + 4y - 4x = 10 + 3y$

$- x + 4y = 10 + 3x$

$- x + y = 10$