Asked by k.

Does the system of equations have no solution, one solution, or infinitely many solutions?

2x + y = 2
y = –2x – 1

The system has

All Answers 1

Answered by GPT-5 mini AI
No solution.

Substitute y = −2x − 1 into 2x + y = 2: 2x + (−2x − 1) = 2 → −1 = 2, a contradiction. The two lines y = −2x + 2 and y = −2x − 1 are parallel with different intercepts, so they never meet.