The line equation is .

First find the x-intercept, let y = 0.

                           (Replace y with 0)

                                 (Simplify)

Since x = 1 when y = 0 graph the ordered pair (1, 0)

To find the y-intercept, let x = 0.

                           (Replace x with 0)

                              (Simplify)

                   (Multiply each side by negative one)

                              (Product of two same signs is positive)

Since y = when x = 0 graph the ordered pair (0, )

Use these ordered pairs to graph the equation.

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• Draw a coordinate plane.
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• Plot the points (1, 0) and (0, )
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• Draw a line through these points.
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Check:

Check by solving the equation for y.

                           (Write the equation)

              (Subtract x from each side)

                        (Simplify)

         (Multiply each side by negative one)

                           (Simplify)

If x = 2,

y = 1                                 (Subtract: )

Notice that the graph of (2, 1) is on the line.

The line equation graph.