Question

3. Evaluate :
(i) 3a - (a + 2b)​

Answer 1

${ \huge{ \pink{ \underline{ \underline{ \red{ \mathbb{ \bigstar{ \purple{answer}}}}}}}}} \\ \bf \: to \: evaluate \: 3a - (a + 2b) \\ \sf \: solution : \\ 2a - 2b \\ 2(a - b) \\ \bf \: hence \: answer \: is \: 2(a - b)$