Question

Solve the proportion. 2/8 = -30/x

Answer 1

To solve a proportion set it up like
$\frac{2}{8} = -\frac{30}{x}$

Now cross multiply the -30 and the 8 so -30 x 8 = -240
Now take the -240 and divide it by 2
$\frac{-240}{2} = -120$
So x = -120 

Answer = 120