Question 284107
A number = x.
4 is added to twice a number = 2x + 4
4 is added to three times a number = 3x + 4
2x + 4 = y
3x + 4 = y
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By the transitive property...
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2x + 4 = 3x + 4
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0 = x
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x = 0
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So the answer  is x = 0.
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Any number times 0 = 0, so that's logically the only possible answer.
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Done