Answer:
60
Explanation:
5(a + 2) + 6(2a - 3)
Expand the brackets.
5a + 10 + 12a - 18
Add or subtract like terms.
17a - 8
Plug a = 4 and evaluate.
17(4) - 8
68 - 8
= 60
9.2m questions
11.9m answers