Question

suppose that the order pair x + y is equals to 2 and 4 is equals to x minus y are equal find x and y​

Answer 1

Answer:

x

$x + y = 2 \\ x - y = 4 \\ \\ x = 4 + y \\ 4 + y + y = 2 \\ 2y = 2 - 4 \\ y = - 2 \div 2 \\ y = - 1$