Using Cramer's rule write the solution of the system of equations
$3 x + 4 y = 7, 7 x - y = 6$

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Solution

Here,

$a_{32} = 5 C_{32} = - |\begin{matrix} 2 & 6 \\ 5 & 4 \end{matrix}| = 22 ∴ a_{32} C_{32} = 110$

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Similar questions

Find the values of $x$ and $y$ for the system of equations, $x + y = 2$ and $3 x - y = 6$ using Cramer's Rule.

3 x - y = 7; x + 4 y = 11

3 x + 4 y = 1

9 x + 12 y = 3

3 x + 2 y + 11 = 0; 7 x - 4 y = 9

3 x + 4 y + 5 z = 18

2 x - y - 8 z = 13

5 x - 2 y + 7 z = 20

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