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Q: 23 increased by twice a number is 5. Find the number?

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

2x + 7 = 30 - 7 - 7 2x = 23 x = 23/2 x = 11.5

61 + 23 = 84

is equal to -23 -2*x

one number is A twice A plus 5 is the other so three A plus 5 = 23 take 5 from both sides three A = 18 = 3 x 6 so A is 6 6 + 6 + 5 = 17 17 + 6 = 23

Every next number is increased by 5. The next number in the sequence is 23.

The two numbers are 9 and 23. 23-9 = 14 23-(2*9) = 5

If you mean... -7+x*2=23 then x = 15. Done without the aid of a calculator ! The value of 'x' (the unknown number) MUST equal 30, because 30-7=23 - SO, half the unknown number must be 15!

You need at least two numbers to find a GCF.

Only 23 has prime factorization of 23.

by atomic number

34 is halfway between 23 and 45 inclusively.Therefore, 34 x 2 = 68

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