Question

if p=4a-4b-4c and Q =7a-7b-c find the value of 2p +3Q
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Answer 1

Solution:-

$\mathtt{p=4a-4b-4c}\\</p><p>{q=7a-7b-c}\\</p><p>{2p+3q=2(4a-4b-4c)+3(7a-7b-c)}\\</p><p>{=8a-8b-8c+21a-21b-3c}\\</p><p>{=29a-29b-11c}$

Answer= 29a-29b-11c