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Lady bird [3.3K]
3 years ago
6

How do I find x In this problem?

Mathematics
1 answer:
marusya05 [52]3 years ago
6 0
x / 9 = x-7 / 7

7*x = 9*(x-7)

7x = 9x - 63

9x - 7x = 63

2x = 63

x = 63 / 2

x = 31,5

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Divide her total time by total miles run:

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Eva8 [605]

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4 years ago
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tresset_1 [31]

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8 0
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