If -2 is the solution of the equation 2x + 1 – 3c = 2c + 3x – 7, find the value of c.
-
A.
4 -
B.
3 -
C.
2 -
D.
1
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.