The sum of 5(x) + 4 = (-9)
We have to isolate the x so we subtract 4.
5(x) + 4 = (-9)
5(x) - 4 = - 4
5(x) = (- 13)
Now we have to continue to isolate the x.
So now we have to divide by 5.
5(x)/5 = (-13)/5
and that's x = (-2.6)
