Question

x+2/x+4-x-1/x-6 combine as indicated by the signs

Answer 1

you have to combine the like terms. In this case, its the terms with an x and the terms without. I'll do the first and you finish it.

x+x-x=x
2+4-1=5

Now you do the rest :)

Answer 2

l find x+3/5,is it colect?