Answer:
108
Explanation:
5^2 + 45 - 67 + 15x when x = 7
= 5^2 + 45 - 67 + 15(7)
= 25 + 45 - 67 + 105
= 70 - 67 + 105
= 3 + 105
= 108
So, the answer is 108
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