3 years ago

The sum of three consecutive counting numbers is 15 more than the greatest

Mathematics

1 answer:

Alex777 [14]3 years ago

7 0

Answer:

Step-by-step explanation:

x+x+1+x+2 = 15+x+2

3x+3=x+17

3x=x+14

2x=14

x=7

7+8+9=24

9+15 = 24

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