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How do you work out 3a plus 15 equals 4a?

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Anonymous

∙ 14y ago
Updated: 12/17/2022

3a + 15 = 4a

Subtract 3a from both sides

15 = a

So a is 15.

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∙ 14y ago
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How do you solve -2a plus 5 plus 3a equals 15-21?

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