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Shaun Harker · Answer 1 · 2024-10-27T04:59:47+0000

20 minus 3 is equal to a number plus 18 is -1.

The written form of the question can be rewritten as 20 - 3 = n + 18. This can be simplified to 17 = n + 18 and further simplified by subtracting 18 to get -1 = n or n = -1

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