First, you have to convert it to slope intercept form, which is \(y=mx+b\))
\(2x+y-2x=15-2x\)
\(y=-2x+15\)
Knowing this, you can easily find the slope. In slope intercept form, the "m" or the coefficient of "x," is the slope.
\(m=-2\)
Therefore, your slope is -2.