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12a- 6a + a = 7a

Since they all have the same variable, you can simply add and subtract

12-6 = 6

6+1 = 7

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14y ago

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To simplify the expression (6a + 3b - 5a - 8b), combine like terms. For the (a) terms: (6a - 5a = 1a) or just (a). For the (b) terms: (3b - 8b = -5b). Thus, the simplified expression is (a - 5b).


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