8. The sum of three consecutive integers is 21. What are the integers?
A. 7, 8, 9
B. 6, 7, 8
C. 5, 6, 7
D. 4, 5, 6
9. A number increased by 5 is equal to 10. What is the correct equation for that
problem?
A. 5 + 5 - 10
B. x+ 5 = 10
C. 10 - 5 = 5
D. 5x + 5 = 10
10. What is x in the equation 2x + 2 - 10?
A. X=6
B. x = 5
c. x= 4
D. x = 3​