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Ordered Pair

If two ordere...

Question

If two ordered pairs are related as $(4 a - 3, a + 2 b) = (3 a, 2 a - b)$ , then $a - b =$

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Solution

$4 a - 3 = 3 a \Rightarrow a = 3$
Now, $a + 2 b = 2 a - b$
$\Rightarrow 3 b = a$
$\Rightarrow b = 1$

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