Answer:
2 3/4.
Step-by-step explanation:
Eliminate 1/2 from the side with w.
Subtract 1/2 from both sides:
[tex]3\frac{1}{4} -\frac{1}{2} =\frac{1}{2} -\frac{1}{2} +w[/tex]
[tex]2\frac{3}{4} = w[/tex]