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Reika [66]
3 years ago
11

Squaring a number and subtracting 6 gives the same result as doubling the number and adding 9.

Mathematics
1 answer:
Nikitich [7]3 years ago
3 0

The answer is 5.

5^2 = 25        25 - 6 = 19

5 x 2 = 10       10 + 9 = 19

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