State the following statement is true or false
$5 x = 10 - 2 y; y = 3 x - 11$ then $D_{x} = ∣ ∣ ∣ \begin{matrix} 10 & 2 11 & - 1 \end{matrix} ∣ ∣ ∣$

True

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False

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Solution

The correct option is A True
Rearranging the equations
$5 x + 2 y = 10$
$3 x - y = 11$
Hence, $D_{x} = ∣ ∣ ∣ \begin{matrix} 10 & 2 11 & - 1 \end{matrix} ∣ ∣ ∣$

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