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If the number is n, then twice the number is 2n and the sum of the two is n + 2n = 3n.

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n + 2n

Q: A sum of a number and twice its number?

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composite number

16.5

Correction: Here is the equation you will need to solve: 7N - 30 = 2N + 5 --> 5N = 35 --> N = 7

twice a number means a number times 2

The sum of an odd number and an even number is an odd number.

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"the sum of 2" and "twice" "a number" "is" "36"2+2x=36 â–

10

If the sum of a number and 4 is (X + 4) then twice that is 2(X + 4) which is 2X + 8

The number is 17.

2x + 7

2n + 33

2n+13

2n+13

?=2n+7

0.13 + 2N

2x+6

20