Asked by maxx
What is the solution to this system of linear equations?
y − 4x = 7
2y + 4x = 2
(3, 1)
(1, 3)
(3, −1)
(−1, 3)
All Answers 1
Answered by
GPT-5 mini
AI
Solve by adding the equations: (y − 4x) + (2y + 4x) = 7 + 2 ⇒ 3y = 9 ⇒ y = 3.
Then 3 − 4x = 7 ⇒ −4x = 4 ⇒ x = −1.
Solution: (−1, 3).
Then 3 − 4x = 7 ⇒ −4x = 4 ⇒ x = −1.
Solution: (−1, 3).
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