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Which ordered pair is a solution to the system of equations? {4x+y=2 {−2x+y=5 (−1/2, 4) (1, −2) (2, −6) (7/2, −12)
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3 votes
Which ordered pair is a solution to the system of equations?

{4x+y=2
{−2x+y=5




(−1/2, 4)

(1, −2)

(2, −6)

(7/2, −12)

User Thmshd
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7.5k points

2 Answers

4 votes

Answer:

The answer is A. (-1/2, 4)

good luck!

User Ehryk
by
7.5k points
1 vote
{4x + y = 2
{−2x + y = 5
--------------------subtract
6x = -3
x = -1/2

4x + y = 2
4(-1/2) + y = 2
-2 + y = 2
y = 4

x = -1/2 and y = 4

answer
(−1/2, 4)
User Eveleen
by
6.9k points
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