Answer:
Step-by-step explanation:

Each number (i) is increased by 1 for the next number and are cubed.
Answer:
10
Step-by-step explanation:
Answer:
x = 3
Step-by-step explanation:
x- (2x + 1) = 8- (3x + 3)
x - 2x - 1 = 8 - 3x - 3
x - 2x + 3x = 8 - 3 + 1
2x = 6
x = 6/2 = 3