The equation is .

                 (Multiply: )

                        (Cancel common terms)

Rewrite the equation in the form Ax + By = C.

(Add (0)x to each side)

            (Simplify)

The equation is now in standard form where A = 0, B = 4, and C = 7.

This is a linear equation.

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• Draw a coordinate plane
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• Draw a horizontal line .
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For any value of x, .

The graph of  is horizontal line.