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To solve for x, we need to simplify the equation by combining like terms:
First, we combine the 2x and -4x terms:
2x - 4x = -2x
So the equation becomes:
-2x - 3 = -27
Next, we want to eliminate the -3 term on the left side of the equation by adding 3 to both sides:
-2x - 3 + 3 = -27 + 3
-2x = -24
To solve for x, we divide both sides of the equation by -2:
-2x/-2 = -24/-2
x = 12
Therefore, the solution is (b) x = 12.