Find the value of Dx for the equation 4x + 3y = 19 and 4x − 3y = −11 - Algebra

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MCQ

Find the value of Dx for the equation 4x + 3y = 19 and 4x − 3y = −11

Options

  • 24

  • 0

  • − 24

  • 108

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Solution

− 24

Explanation:

Here, a1 =  4, b1 = 3, c1 = 19

a2 = 4, b2 = -3, c2 = -11

∴ Dx = `|(c_1, b_1),(c_2, b_2)| = |(19, 3),(-11, -3)|`

= -57 + 33

= -24

  Is there an error in this question or solution?
Chapter 1: Linear Equations in Two Variables - Q.1 (A)

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