Write All Linear Equations in Slope-Intercept Form $y = x - 6$

Multiple Choice

Write all linear equations in slope-intercept form.
-Suppose that a sales person observes that if an item is priced at $10 per item then 4 items are sold. If 2 items are sold for $12 per item then find a linear equation to model the number y of items sold for x dollars per item. Find
The slope-intercept form of the equation of the line.

A) $y = x - 6$
B) $y = x + 14$
C) $y = - x + 14$
D) $y = - x - 6$