Math Problem Statement

solve for x: 4(x-2)-3=9

Solution

Let's solve the equation 4(x2)3=94(x - 2) - 3 = 9.

Step 1: Distribute the 4

4(x2)=4x84(x - 2) = 4x - 8 So the equation becomes: 4x83=94x - 8 - 3 = 9

Step 2: Combine like terms on the left side

4x11=94x - 11 = 9

Step 3: Add 11 to both sides

4x=9+114x = 9 + 11 4x=204x = 20

Step 4: Divide both sides by 4

x=204=5x = \frac{20}{4} = 5

Final Answer:

x=5x = 5

Would you like more details on any step, or do you have any questions?

Here are 5 related questions you might find helpful:

  1. How would the equation change if we had 4(x+2)3=94(x + 2) - 3 = 9?
  2. What if the constant on the right side was 15 instead of 9?
  3. How would you solve 5(x3)+2=125(x - 3) + 2 = 12?
  4. How can you verify your solution after solving for xx?
  5. What happens if the equation contains fractions like 43(x2)3=9\frac{4}{3}(x - 2) - 3 = 9?

Tip: Always distribute terms carefully and combine like terms early to simplify the equation.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Distributive Property

Formulas

Distributive Property: a(b + c) = ab + ac

Theorems

Basic Equation Solving

Suitable Grade Level

Grades 6-8