Question 312433
{{{(2-z)/(z-8)-(5z-7)/(8-z)= (2-z)/(z-8)+(5z-7)/(z-8)}}}
{{{(2-z)/(z-8)-(5z-7)/(8-z)= (2-z+5z-7)/(z-8)}}}
{{{(2-z)/(z-8)-(5z-7)/(8-z)= (4z-5)/(z-8)}}}