For solving each pair of equations, use the method of eliminations by equating coefficients:

$3 x - y = 23$

$\frac{x}{3} + \frac{y}{4} = 4$

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Solution

3x-y=23

$\frac{x}{3} + \frac{y}{4} = 4$

4x + 3y = 48

9x-3y=69
$fraction numerator 4 x plus 3 y equals 48 over denominator 13 x equals 117 end fraction$
x = 9

3 $\times$ (9) - y = 23

y = 27 - 23

y = 4

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