14. The sum of three consecutive multiples of 7 is 63. Find these multiples.
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Answer:
14, 21, 28
Step-by-step explanation:
let the three multiples be 7x,7x+7and 7x+14
7x+7x+7+7x+14=63
21x+21=63
21x=63-21
x=42/21
x=2
so...
7x=14
7x+7=21
7x+14=28
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