Balance Principle Math Example 4
Follow the full solution, then compare it with the other examples linked below.
Example 4
mediumSolve \(\frac{x}{4} + 3 = 10\).
Solution
- 1 Subtract 3 from both sides: \(\frac{x}{4} = 7\).
- 2 Multiply both sides by 4: \(x = 28\).
- 3 Check: \(28/4 + 3 = 7 + 3 = 10\) ✓
Answer
\(x = 28\)
Undo addition (subtract 3), then undo division (multiply by 4). \(x = 28\).
About Balance Principle
The rule that any operation applied to one side of an equation must also be applied to the other side to preserve equality.
Learn more about Balance Principle →