Answer:
10.5??
Step-by-step explanation:
Hi there! :)
Answer:

5n + 6 = -3n - 10
Solve for n:
Add 3n to both sides:
5n + 3n + 6 = -3n + 3n - 10
8n + 6 = -10
Subtract 6 from both sides:
8n + 6 - 6 = -10 - 6
8n = -16
Divide both sides by 8:
8n/8 = -16/8
n = -2.
Answer:
7: 100
8: 40
9: 74
Step-by-step explanation:
Thirty-four decimal point eighty-two