Solve the following pairs of equations.
$4 x - y - 5 = 0$ ; $x + y - 5 = 0$

(2, 3)

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(3, 3)

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(4, 3)

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None of these

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Solution

The correct option is D $(2, 3)$
$x + y = 5$ .......eq1; $4 x - y = 5$ ......eq2
Add both the equations, we will get $x = 2$
Put $x = 2$ in eq1, we get
$y = 3$

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