Q1. Solve the equation and check your solution:

Background

Topic: Linear Equations

This question tests your ability to solve a linear equation by combining like terms, isolating the variable, and checking your solution by substitution.

Key Terms and Formulas

• Linear equation: An equation involving only the first power of the variable.

• Combining like terms: Adding or subtracting terms with the same variable.

• Isolating the variable: Manipulating the equation to get the variable alone on one side.

Step-by-Step Guidance

1. Combine like terms on both sides of the equation. On the left, ; on the right, .

2. Rewrite the equation after combining like terms: .

3. Subtract from both sides to start isolating .

4. Simplify the equation after subtraction.

Try solving on your own before revealing the answer!