X+ y = 0 x - y = 8 what is the solution of the system shown? (-8, 12) (8, -12) (8, 12)

see explanation

Step-by-step explanation:

Given the 2 equations

x + y = 0 → (1)

x - y = 8 → (2)

Adding the 2 equations term by term eliminates the term in y, that is

(x + x) + (- y + y) = (8 + 0), that is

2x = 8 ( divide both sides by 2 )

x = 4

Substitute x = 4 into (1) for corresponding value of y

4 + y = 0 ( subtract 4 from both sides )

y = - 4

Solution is (4, - 4 )

the 3rd option is right

step-by-step explanation: