Missing problem for Book PCT => Chapter Ch12 => Lesson 12.2.2 => Problem 12-55
Created from orphaned homework help problem
Set up a system of equations and solve for y in terms of x.
For parts (c), (d), and (e), follow the steps in part (b).
Solving for x in the top equation and y in the bottom equation:
x(k + 4)(k − 7) = −30x
Since we have assumed x ≠ 0, divide by x and solve for k.