Question

How do you solve x - y = 6 and x + y = -2?

Answer 1

x-y=6_______(1)

x+y=-2_______(2)

from equation 1 and 2

x-y=6____(1)

x+y=-2___(2)

________________

2x=4

x=4/2

x=2

x=2 in equation (1)

(2)-y=6

2-y=6

-y=6-2

-y=4

y=-4