Evaluate:
(v) $8 x - 5 y - 3 x + 10 y$

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Solution

Simplifying the given expression, we get,

$8 x - 5 y - 3 x + 10 y = (8 x - 3 x) + (- 5 y + 10 y)$

$= x (8 - 3) + y (- 5 + 10)$

$= 5 x + 5 y$

Hence, $8 x - 5 y - 3 x + 10 y = 5 x + 5 y$

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