Solve ax − by = f for x. a. x equals quantity f minus b times y divided by a b. x equals quantity f plus b times y divided by a c. x = a(f − by) d. x = a(f + by)

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image