<span>−8x+5−2x−4+5x
= -5x + 1
so when x = 2 then
</span>-5x + 1
= -5(2) + 1
= -9
hope it helps
There is an infinite number of solutions being as they are the same line. You can tell this because the first is simply the second line divided by 2.
Step-by-step explanation:

e.g.

I would say 10 because the number 10 is used more than the other numbers in.