Solve the system of equations and choose the correct answer from the list of options.

d + e = 15
−d + e = −5

Label the ordered pair as (d, e).

(0, 0)
(10, −5)
(5, 10)
(10, 5)

3 answers

I would just add them to get
2e = 10
e = 5
now back-sub
d + e = 15
d + 5 = 15
d = 10
5
Sorry, your answer is incomplete. What is your final answer for the ordered pair (d, e)?