Let's do this in steps, show your work! | Make sure to ask questions!
#1. Simplify 5x - 4 + 3 to 8x - 4.
8x - 4 = 36.
#2. Add 4 to both sides.
8x = 36 + 4.
#3. Simplify 36 + 4 to 40.
8x = 40.
#4. Divide both sides by 8.
x = 40/8. <------ It turned into a fraction because it's easier to not divide a decimal.
#5. Simplify 40/8 to 5.
x = 5.
Therefore, x = 5.