Question

Which of the following ordered pairs represents the solution to the system given below?

2x + y = 20
4x − 2y = 40

(10, 0)
(0, 10)
(4, 2)
(10, −10)

Answer 1

@Kim21

Answer 2

click that and you'll see your answer :)

Answer 3

equation1 : 2x + y = 20
equation2:4x − 2y = 40
multiple by 2 equation1 first

Answer 4

@automaticloveletter

Answer 5

then add the both equation