### Home > A2C > Chapter 6 > Lesson 6.1.1 > Problem 6-7

6-7.

Rewrite the equation by undoing the operations on *x*, that is solve for *x*.

Now use your result to write the inverse function.

*y* = 2*x* + 6

The line of symmetry is *y* = *x*.

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Click the link at right for the full version of the eTool: A2C 6-7 HW eTool