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Elimination Method of Finding Solution of a Pair of Linear Equations

Simplify: 5x...

Question

Simplify: $5 (x + 3 y) - 2 (3 x - 4 y)$

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Solution

$5 (x + 3 y) - 2 (3 x - 4 y)$
$= 5 x + 15 y - 6 x + 8 y$
$= 23 y - x$

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