Answer:
[tex] \frac{1}{3} w - 7 > - 7 \\ \frac{1}{3} w > - 7 + 7 \\3 \times \frac{1w}{3} > 0 \times 3 \\ 1w > 0 \\ \frac{1w}{1} > \frac{0}{1} \\ w = 0[/tex]
