Answer:
150 + 12d
Step-by-step explanation:
100 and 50 are like terms, so add them.
5d and 7d are like terms, so add them.
you will get (100 + 50) + (5d + 7d) = 150 + 12d
Answer:
12d+150
Step-by-step explanation:
add 100 and 50
5d+150+7d
now add 5d and 7d
12d+150
