Answer:
[tex]\textbf{Option 1}\\[/tex]
Step-by-step explanation:
[tex]\textup{Given $ Ax + By = -C$}\\\textup{Subtracting $By$ on both sides, we get,}\\$ Ax = -C -By $\\[/tex]
[tex]\textup{Dividing by $A$ on both sides, (Assuming $A$ is not equal to zero) we get }\\$ x = \frac{-By -C}{A}$[/tex]