For the equations \(3x + 2y = 8\) and \(2x - y = 3\), the value of \(D\) is

A. \(7\)

B. \(1\)

C. \(-7\)

D. \(-1\)

Doubtly AI Asked 24 Oct 2026 AI-verified · Oct 2026 ssc 10th Save WhatsApp Report

1 answer

Best answer

Answer: C. \(-7\)

\(D = \begin{vmatrix} 3 & 2 \\ 2 & -1 \end{vmatrix} = 3(-1) - 2(2) = -3 - 4 = -7\).

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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