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3x - 12 = 10x - 15 - 6x -10

3x - 12 = 4x -25

3x + 13 = 4x

13 = 4x - 3x

13 = x

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โˆ™ 2012-10-17 02:54:15
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Algebra

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Q: What is the mistake in this solving of an equation 3x minus 12 equals 10x minus 15 minus 6x minus 10 3x minus 12 equals 4x minus 25 3x plus 13 equals 4x 13 equals x?
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