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The answer to your question, as asked, is that it is a linear equation with one variable, x.

3x + 3 = 9

Subtract 3 from both sides: 3x = 6

Divide both sides by 3: x = 2

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15y ago

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Anonymous

5y ago
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Anonymous

4y ago
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Q: What is 3x plus 3 equals 9?
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