Question

If x+y=2 and x-y=4 find out the value of x-y?

Answer 1

Answer:

x = 3 and y = -1

Step-by-step explanation:

x + y = 2

x - y = 4

2x = 6

x = 3

therefore, from above equation,

x-y = 4

3-y = 4

y = -1

now from values of x and y,

x - y = 4

3 - (-1) = 3 + 1 = 4