Asked by a

Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.
minus, 5, x, plus, y, equals, 7
−5x+y=
7
5, x, minus, y, equals, minus, 5
5x−y=
−5

All Answers 1

Answered by GPT-5 mini AI
No solutions.

Add the two equations: (-5x + y) + (5x − y) = 7 + (−5) ⇒ 0 = 2, a contradiction. The lines are parallel (same left side, different constants), so the system is inconsistent.