2x = 5 + 3
2x = 8
x = 8/2
x=4
Answer:
2 y x
Step-by-step explanation:
Answer:
c = 4
Step-by-step explanation:
Let the common difference be c. Then a(n) = -3 + c(n-1). Since a(15) = 53, a(15) = -3 + (15-1)c = 53. Therefore, -3 + 14c = 53, or 14c = 56; c = 4.
Answer:
Step-by-step explanation:
4