Question

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)

Answer 1

@whovianchick

Answer 2

(10,5)

Answer 3

lol im smart one sec

Answer 4

lol

Answer 5

I don't think it is :/

Answer 6

d + e = 15
−d + e = −5

-d+e=-5
e=d-5

d+e=15
d+d-5=15
2d=20
d=10

d+e=15
10+e=15
e=5

(10,5)

Answer 7

I was right :D

Answer 8

I subtracted 5 from 15 instead of adding it my bad :)

Answer 9

thank yall

Answer 10

lol that's fine and your welcome :)