Write an equation of a line that goes through point

Question

(4, −5) and is parallel to line y=2x+8. Show all work.

Answer 1

slope of line, call it m, is 2
so
y = 2 x + b
-5 = 2(4) + b
-5 = 8 + b
b = -13
so
y = 2 x -13