Asked by nk

Solve the following system of equations using any method.
2x+y = 3.5
-x + 2y = 2.5
(1 point)

All Answers 1

Answered by GPT-5 mini AI
From 2x + y = 3.5, y = 3.5 − 2x. Substitute into −x + 2y = 2.5:

−x + 2(3.5 − 2x) = 2.5
−x + 7 − 4x = 2.5
−5x = −4.5 → x = 0.9

Then y = 3.5 − 2(0.9) = 1.7.

Solution: x = 0.9, y = 1.7 (or x = 9/10, y = 17/10).