The ornamental design for an adjustablewall-mounted desk system, as shown and described.
FIG. 1 is a perspective view;
FIG. 2 is a second perspective view, shown in an alternate configuration;
FIG. 3 is a front view thereof;
FIG. 4 is a right side view thereof (mirror image of left side view);
FIG. 5 is a rear view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines shown in the figures represent portions of the adjustable wall-mounted desk system that form no part of the claimed design. The adjustable wall-mounted desk system is shown with a symbolic break in its length. The appearance of any portion of the article between break lines forms no part of the claimed design.