4a + 3 = 40
---Subtract 3 from both sides
4a = 37
---Divide both sides by 4
a = 37/4 = 9 1/4 = 9.25
Hope this helps!! :)
Answer:a= 9 1/4 as a mixed number
Improper: 37/4
Move all terms that don't contain a to the right side and solve.
