Equation of a Line Parallel to a Given Line Through a Point

Rarely Tested

Equation of a Line Parallel to a Given Line Through a Point

## Formula

For given line:

$$Ax+By+C=0$$

and point $$(x_1,y_1)$$:

$$A(x-x_1)+B(y-y_1)=0$$

## Usage

- Used to find the unique line parallel to a given line through a specified point.

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