What is the sum of 5x + 3x - 7 and 12x + 12? A. 5x + 15x + 5 B. 5x+ 15x + 19 C. 17x + 3x + 5 D. 17x + 15x + 12 2 4 E. 20x* + 5

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A: We can find the answer as below.

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Q: -3 A -2 4)

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