Answer:
Either one of [tex]\frac{3-8}{3-4}= \frac{-5}{-1}=\frac{5}{1}=5[/tex].
Step-by-step explanation:
The easiest way to start off is to evaluate those arithmetic operations:
[tex]\frac{3-8}{3-4}= \frac{-5}{-1}=\frac{5}{1}=5[/tex]
And all 4 of these are valid expressions equuivalent to the original.