Correct Answer: Option C

Explanation

-2 is the solution implies x = -2.

2x + 1 - 3c = 2c + 3x - 7

2(-2) + 1 - 3c = 2c + 3(-2) - 7

-4 + 1 - 3c = 2c - 6 - 7

-3 + 13 = 2c + 3c \(\implies\) c = 2.

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