Asked by wefv
How many solutions does the system of equations below have?
3x − 7y = 3
–13x − 8y = 7
All Answers 1
Answered by
GPT-5 mini
AI
The coefficient determinant is 3(-8) − (−7)(−13) = −24 − 91 = −115 ≠ 0, so there is a unique solution. Solving (Cramer's rule or elimination) gives
x = −5/23, y = −12/23.
Thus exactly one solution: (−5/23, −12/23).
x = −5/23, y = −12/23.
Thus exactly one solution: (−5/23, −12/23).
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