Best Answer

you have to write an algebraic expression.

your number can be any thing you want... lets call it (q)

the sum means you add the numbers. so...

q + 23

the word (IS) in algebra means equal to so...

q + 23 = 20

so what number added to 23 will equal to 20

the answer is negative 3

q=-3

Q: What is the sum of a number and 23 is twenty?

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23 + 27 = 50

Then the number is 16

No 23 is a prime #

If, "by sum of 23", you mean sum of its digits, then there is no possible answer. 995 or 9095 or 900000000095 etc would all qualify and there is no limit to the number of 0s I can add.

The sum of the prime factors of 6 is closest in value to the composite number 6.

Related questions

23 + 27 = 50

3(x+21) = 2(x+23)3x+63=2x+46x=-17

3(X + 3) = X + 23 3X + 9 = X +23 2X = 14 X = 7

Then the number is 16

11 + 12 = 23

35.

23

square of 5=5*5=25 Now sum of 23 and square of 5=23+25=48 Now one third of sum of 23 and square of 5=48/3 =16 Hence 16 is answer

12 + 5 + 6 = 23

"the difference between a number and eight is twenty-two

No 23 is a prime #

11 and 12.