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Addition and Subtraction of Algebraic Expression

Simplify: p+...

Question

Simplify: $p + 2 (q - ¯ ¯¯¯¯¯¯¯¯¯¯ ¯ r + p)$

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Solution

$p + 2 (q - ¯ ¯¯¯¯¯¯¯¯¯¯ ¯ r + p)$
$= p + 2 (q - r - p)$
$= p + 2 q - 2 r - 2 p$
$= - p + 2 q - 2 r$

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