Question

1. 5a + 2 + 7 + 6a

Explanation:

Step1: Combine like terms (terms with \(a\))

\(5a + 6a = (5 + 6)a = 11a\)

Step2: Combine constant terms

\(2 + 7 = 9\)

Step3: Combine the results from Step1 and Step2

\(11a + 9\)

Answer:

\(11a + 9\)