Question

solve the pair of equations ​

Answer 1

$ax \div b - by \div a = a + b \\ \\ {a}^{2}x - {b}^{2}y \div ab = a + b \\ \\ {a}^{2} x - {b}^{2} y = ab(a + b) \\ \\ {a}^{2} x - {b}^{2} y = ab( {a}^{2} x - {b}^{2} y \div ab) \\ \\ {a}^{2} x - {b}^{2} y = {a}^{2}x - {b}^{2} y$