Question

add

8 + x-1/x+4

Answer 1

\[8=8\times 1=8\times\frac{x+4}{x+4}\]

Answer 2

now you have a common denominator

Answer 3

but what would be the numerator?

Answer 4

\[8\times \frac{x+4}{x+4}=\frac{8(x+4)}{x+4}=\frac{8x+32}{x+4}\]