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It's a simple algebraic equation.

If the value of 'a' is needed, it can be derived as follows:

7a + 10 = 2a

Subtract 2a from each side:

5a + 10 = 0

Subtract 10 from each side:

5a = -10

Divide each side by 5:

a = -2

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Q: What is 7a plus 10 equals 2a?
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