Question

A virtual image in a location the light doesn’t actually reach

Answer 1

Answer:14p +4q-2r

Step-by-step explanation:

Sum of (10p-r+5p+2q)

10p+5p+2q-r

15p+2q-r

Now subtract( p-2q+r) from (15p+2q-r)

(15p+2q-r) - (p-2q+r)

15p+2q-r-p+2q-r

15p-p+2q+2q-r-r

14p +4q-2r

The answer is 14p +4q-2r