Answer
y=-0.5x+17
Work Step by Step
The desired line is parallel to the line y=-0.5x+4, so they have the same slope. Since the given equation is in slope-intercept form we can see that the slope of both lines must be -0.5.
y-y$_1$=m(x-x$_1$)
y-16=-0.5(x-2)
y-16=-0.5x+1
y=-0.5x+17