Answer:
21
Step-by-step explanation:
I hope this helps!
Answer:
Step-by-step explanation:
c.d. d=8-3=5

Answer:
7n-6=-20
Step-by-step explanation:
six less than seven times a number
we'll use n as "the number"
six less meaning -6
7 times a number n = 7n
7n-6=-20