Answer:
z= -2.5
Step-by-step explanation:
x,a(x)=-x²+14x x=0 x=14-a
6 + 7 + 8 = 21
6, 7, and 8 are consecutive integers.
6 + 7 is 13. 13 + 8 = 21. So, 6 + 7 + 8 are consecutive integers that equal 21.
