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Q: What is the sum of an unknown number and three times the unknown number?

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450N, where "N" represents the unknown number.

The sum of three times a number and its square is 10 more than 6 times a number?

x + x - 3 = 2x - 3

Their sum is three times the middle number.

"The sum of a number and three times another number is 18. find the numbers if their product is a maximum?"

-3

5+3x

3x+2

-2+3x

Five

3x+5x

27

( 5 + 3x )

3(x + 12)

The answer is 1. 5 times x - x < 5 + x It has to be 1, anything over 1 could not be less than.

30 is the Answer

3x^2 + 6

3(x=12)

That can be defined as 5(x + 3)

yes:p ha ha

i am a two digit # my tens digit# is 3 times my ones digit #and the sum of my digit is 12 what am i

16

The number is 7.

18

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