Which of these expressions is equivalent to – 4(5 – 2x)?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

50 points~ ! i have to turn this in tomarrow

What is the value of x? enter your answer in the box.