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b = 40 - a, c = 42 - a so b + c = 40 - a + 42 - a, ie 82 -2a = 34 so a = 48/2 ie 24 b = 40 - 24 ie 16 and c = 42 - 24 ie 18

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14y ago
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Q: A plus b equals 40 b plus c equals 34 a plus c equals 42 b equals?
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