Respuesta :

Answer:

27f - 21

Step-by-step explanation:

Given

18 + 3(9f - 13) ← distribute the parenthesis by 3

= 18 + 27f - 39 ← collect like terms

= 27f - 21

Answer:

27f - 21

Step-by-step explanation:

First, perform the indicated multiplication:

18+3(9f-13) = 18 + 27f - 39.

Next, combine the constants, obtaining 27f - 21.