Respuesta :

2x15=30 2x-20d=-40d 2x5c=10c
Answer: 30-40d+10c

Answer:

30 - 40d +10c

Step-by-step explanation:

2(15-20d+5c)

Distribute the 2 to each term inside the parentheses

2(15)-2(20d)+2(5c)

30 - 40d +10c