The slope-intercept form: y = mx + b.
Parallel lines have the same slope.
k: y = 83x, l: y = mx + b
l ║k ⇒ l: y = 83x + b
Substitute the coordinates of the point (1, 2) to the equation of a line l :
2 = 83(1) + b
2 = 83 + b subtract 83 from both sides
-81 = b → b = -81
Answer: y = 83x - 81.
