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x + 3 = 3x.

If x has a numeral associated with it, then you replace x with said numeral.

I.e: x = 3. So now, x + 3 would be 3 + 3, which equals 6.

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Wiki User

7y ago
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Thaabit Osman

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10mo ago

3x

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Q: What is X plus 3 equals?
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