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Solve a plus 9 equals 21?

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Anonymous

∙ 15y ago
Updated: 9/17/2023

A + 9 = 21

A = 21 - 9

A = 12

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∙ 15y ago
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X plus 9 equals -12 How do I solve this?

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What is 12 plus 9 equals?

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X plus 9 equals -12 How do I solve this?

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