pre algebra rules cheat sheet
e: 2x + 5 = 13 Solution: Subtract 5 from both sides: 2x = 8 Divide both sides by 2: x = 4 3. Working with Fractions Example: Simplify (3/4) + (2/3) Solution: Find common denominator: 12 Convert fractions: (3/4) = (9/12), (2