Answer:
d/7 = c
Step-by-step explanation:
-5c+d=2c
Add 5c to each side
-5c+5c+d=2c+5c
d = 7c
Divide each side by 7
d/7 = 7c/7
d/7 = c
Answer:
I have no clue
Step-by-step explanation:
I'm in middle school I don't know
Answer:
0, 1, 3, 6, 10, 15, 21, 28, 36, 45
