Answer
m=$\frac{2d-b}{c-2a}$
Work Step by Step
To find the slope of a line, we use the equation m=$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$. It's given that $x_{1}$=2a $x_{2}$=c $y_{1}$=b $y_{2}$=2d, so all we need to do is plug the givens into the slope equation.
m=$\frac{2d-b}{c-2a}$
