Answer
y=2x-2
Work Step by Step
Since the desired line is parallel to the given line, y=2x-7, they must have the same slope. The given line is in slope intercept form, so we can see that the slope is m=2, and this applies to both lines.
y-y$_1$=m(x-x$_1$)
y-8=2(x-5)
y-8=2x-10
y=2x-2