Question

the sum of three consecutive multiples of 7 is 126​

Answer 1

Here's the required answer to your question

Answer 2

Let first multiple of 7 be x

x,x+7,x+14

x+x+7+x+14=126
3x=126-21
3x=105
X=105/3
X=35


So consecutive numbers are 35,42,48


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