The shelf in a cabinet is set into a notch at a height of 12 inches. So that the shelf

The shelf in a cabinet is set into a notch at a height of 12 inches. So that the shelf can be adjusted to different heights, the cabinetmaker cuts notches at one-inch intervals above and below the shelf. Write and solve an absolute-value equation for the maximum and minimum heights of a shelf set two notches above or below the 12-inch height.

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