To solve the equation \( x - 4 = 15 \), follow these steps:

1. Add 4 to both sides of the equation:
   \[
   x - 4 + 4 = 15 + 4
   \]
2. Simplifying the equation:
   \[
   x = 19
   \]

The solution is \( x = 19 \).

Would you like more details or have any questions?

Here are 5 related questions to expand your understanding:
1. What is the solution to \( x - 7 = 10 \)?
2. How do you solve \( x + 3 = 12 \)?
3. What happens if you subtract a negative number in an equation, like \( x - (-5) = 8 \)?
4. How do you handle equations like \( 2x - 4 = 10 \)?
5. Can you solve \( 3x + 5 = 20 \)?

**Tip:** Always perform the same operation on both sides of the equation to maintain balance.

Discover how to solve the linear equation x - 4 = 15 using basic algebraic principles. This step-by-step guide covers solving for x by adding 4 to both sides of the equation, ideal for students in Grades 6-7.

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