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Yuri [45]
3 years ago
15

15 less than a number tripled is equivalent to the difference of the same number and 12

Mathematics
1 answer:
Nitella [24]3 years ago
4 0

Step-by-step explanation:

x = number

3x - 15 = (x - 12)×-4 or (12-x)×-4

3x - 15 = -4x + 48 or -48 + 4x

7x = 63, x = 9 or

33 = x

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