Answer:
[tex]5 + u = 5 \\ \\ u = 5 - 5 \\ \\ u = 0 \\ \\ it \: was \: helping \: to \: you[/tex]
Work Shown:
5+u = 5
u+5 = 5
u = 5-5
u = 0
We subtracted 5 from both sides to isolate the variable. This is done to undo the "plus 5".
