To solve for X, we need to combine the terms on the left side of the equation:
X + (-13.85 - 4.2) = -12.3X + (-18.05) = -12.3X - 18.05 = -12.3
Now, to isolate X, we can add 18.05 to both sides:
X - 18.05 + 18.05 = -12.3 + 18.05X = 5.75
Therefore, the solution to the equation is X = 5.75.
To solve for X, we need to combine the terms on the left side of the equation:
X + (-13.85 - 4.2) = -12.3
X + (-18.05) = -12.3
X - 18.05 = -12.3
Now, to isolate X, we can add 18.05 to both sides:
X - 18.05 + 18.05 = -12.3 + 18.05
X = 5.75
Therefore, the solution to the equation is X = 5.75.