a = 5 a 45 − 2 = 5 45 − 2 = 9 − 2 = 7
just substitute 5 for a, and get 45/5 and then get 9, so the final answer is ** 7** because you subtract two.
To evaluate a 45 − 2 for a = 5 , substitute 5 for a to get 5 45 − 2 , which simplifies to 9 - 2 and equals 7. Therefore, the answer is 7.
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