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01-04-2021
Mathematics

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15 less than 3 times a number is 5 more than half of the number.

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01-04-2021

Answer:

Mystery Number is 8

Step-by-step explanation:

3x - 15 = 5 + 1/2x

3x - 1/2x = 15 + 5

5/2x = 20

x = 20 / 5/2

x = 20 * 2/5

x = 40 / 5

x = 8

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