3 years ago

If the sum of three consecutive numbers is 1998, what is the first one?

Mathematics

1 answer:

Alik [6]3 years ago

5 0

Answer: 665

Step-by-step explanation: X + X + 1 + X + 2 = 1998

3X + 3 = 1998

3X + 3 - 3 = 1998 - 3

3X = 1995

3X/3 = 1995/3

X = 665

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