You need to put more explanation into the problem to help you
Step-by-step explanation:
GiVen
g(x) = 8
Now
g(x) = - 2x + 2
8 = -2x + 2
2x = 2 - 8
2x = -6

therefore x = -3
83 and 89 are prime numbers between 80 and 90.
Answer:
123
Step-by-step explanation: