First subtract 4 from both sides

then simplify

add -5 to both sides

since a variable shouldn't be negative the answer should be

(I prefer having the variable on the left side)
Answer:
You may just add 2 in the spot. Moreover, you get no solution.
Step-by-step explanation:
Hope this helped!
she would need, hours (maybe minutes) and if she was doing daily or weekly amount of time.
Step-by-step explanation:
yes because it would give you numbers that you could then use to make some sort of chart to better understand your data