what is -2 1/4 = 2w

Answer 1

2 w = -2 1/4 = -9/4

w = -9/8= - 1 1/8 = -1.125

or maybe you meant 2w =-21/4?

if so, then

2w =-21/4 =-5.25 =-5 /14

w =-21/8= -2.625 = 2 5/8