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Graph the equations on the coordinate planes.

`y = -6`

1234567-1-2-3-4-5-6-71234567-1-2-3-4-5-6-7
Clear All Draw: Line

`x = -4`

1234567-1-2-3-4-5-6-71234567-1-2-3-4-5-6-7
Clear All Draw: Line