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Best Answer

3x + 12 = x + 16
Take 12 away from each side of the equation, so...
3x = x + 4
Take x away from each side of the equation, so...
2x = 4
Divide each side of the equation by 2, so...
x = 2

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15y ago
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Q: 3x plus 12 equals x plus 16?
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