Answer:
27f - 21
Explanation:
First, perform the indicated multiplication:
18+3(9f-13) = 18 + 27f - 39.
Next, combine the constants, obtaining 27f - 21.
Given
18 + 3(9f - 13) ← distribute the parenthesis by 3
= 18 + 27f - 39 ← collect like terms
= 27f - 21
6.5m questions
8.6m answers