Raymond B. answered 03/06/21
Tutor
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Math, microeconomics or criminal justice
any parallel line has the same slope. when the linear equation is solved for y, then the slope is the coefficient of the x term
y=2x + b, to calculate b plug in the point x=3, y=9
9 = 2(3) + b
b = 9-6 = 3
y=2x +3 is the parallel line through the point (3,9)