Math Problem Statement

x+9=15

Solution

To solve the equation x+9=15x + 9 = 15, follow these steps:

  1. Subtract 9 from both sides of the equation: x+99=159x + 9 - 9 = 15 - 9 x=6x = 6

So, the solution is x=6x = 6.

Would you like more details or have any questions?

Here are 5 related questions for further practice:

  1. Solve x+7=12x + 7 = 12.
  2. Solve x4=10x - 4 = 10.
  3. Solve x+3=18x + 3 = 18.
  4. Solve 2x+9=152x + 9 = 15.
  5. Solve x+9=20x + 9 = 20.

Tip: When solving linear equations, always perform the same operation on both sides to maintain equality.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations

Formulas

Basic linear equation: x + a = b

Theorems

Properties of Equality

Suitable Grade Level

Grade 6-7