Answer
-8
Work Step by Step
$\frac{-15}{2}$ =$\frac{60}{x}$
-15$\times$ x = 2$\times$60 set cross products equal
-15x = 120 multiply
$\frac{-15x}{-15}$=$\frac{120}{-15}$
x=-8
Check
$\frac{-15}{2}$ =$\frac{60}{x}$
$\frac{-15}{2}$ =$\frac{60}{-8}$
-$\frac{15}{2}$ =-$\frac{15}{2}$ True
-8 is the solution