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vova2212 [387]
3 years ago
6

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

Mathematics
1 answer:
ohaa [14]3 years ago
7 0

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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