MathematicsMatrices and determinantsJAMB
Solve 2x + 3y = 13 and x − y = −1.
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Answer: D. x = 2, y = 3
x = y − 1, so 2y − 2 + 3y = 13 gives y = 3 and x = 2.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.