David W. answered 11/01/15
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The given line is already expressed in slope-intercept form (y=mx + b, where m=slope and b is the y-intercept):
y = 4x +2
All parallel lines will have the same slope (that is, 4). They have a different y-intercept (unless they are the same line), so we need the point (5,-3) to determine b.
y = 4x + b
-3 = 4(5) + b
-23 = b
The parallel line has the equation: y = 4x - 23