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Addition and Subtraction of Algebraic Expression

Add : 9p+16...

Question

Add : $9 p + 16 q + 13 p + 2 q$

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Solution

$(9 p + 16 q) + (13 p + 2 q)$

$= 9 p + 13 p + 16 q + 2 q$

$= 22 p + 18 q$

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9 p + 16 q = 0; 13 p + 2 q = 1

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