Answer:
5
Explanation:
2x - 7 + 7 > 3 + 7
2x/2 > 10/2
x > 5
(my device doesn't have the sign for greater than or equal to so imagine i used it)
9
2^(7–7) =1 1 ≥ 3? No
2^(8–7) =2 2 ≥ 3? No
2^(9–7) =4 4 ≥ 3? Yes
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