type an expression using x as the variable
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X is a number.
3X is three times a number
2 + 3X is two more than three times a number.
3X is three times a number
2 + 3X is two more than three times a number.
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2+3x
three times a number is 3x
two more than that is 2+3x
three times a number is 3x
two more than that is 2+3x
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3x +2
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3x + 2