Question

1) x + y = 4 , x - y = 16​

Answer 1

Answer:

x=10,y=-6 is the correct answer

Answer 2

Step-by-step explanation:

x + y = 4 , x - y = 16​

subtract both the equations,

2y=-12

Using transposition,

y= -6

x=4-y

=4--6

=+10

x=10

y=-6