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3x + 2 + 2x = 7; 3x + 2x = 5x, so 5x + 2 = 7;

7-2=5, so 5x=5.

5x divided by 5 and 5 divided by 5 equals 1, so x equals 1.

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Q: 3x plus 2 plus 2x equals 7?
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