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Mathematics
Savion Dalton
4 December, 21:04
Simplify: 12 + 8 + 12 - 20
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Wiggins
4 December, 23:26
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12 + 8 = 20
12 - 20 = - 8
20 + - 8 = 20 - 8 = 12
12 + 8 + 12 - 20 can be simplified to just 12.
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