Math Problem Statement

∣4x−4∣−8= −3

Solution

We are given the equation:

4x48=3|4x - 4| - 8 = -3

Let's solve this step by step.

Step 1: Isolate the absolute value term

Add 8 to both sides to eliminate the -8:

4x4=3+8|4x - 4| = -3 + 8 4x4=5|4x - 4| = 5

Step 2: Remove the absolute value by considering two cases

The absolute value equation 4x4=5|4x - 4| = 5 gives us two possible cases:

Case 1: 4x4=54x - 4 = 5

Solve for xx: 4x=5+44x = 5 + 4 4x=94x = 9 x=94x = \frac{9}{4}

Case 2: 4x4=54x - 4 = -5

Solve for xx: 4x=5+44x = -5 + 4 4x=14x = -1 x=14x = \frac{-1}{4}

Step 3: Final answer

The two possible solutions are:

x=94orx=14x = \frac{9}{4} \quad \text{or} \quad x = \frac{-1}{4}

Do you want further details or have any questions?

Here are 5 related questions for practice:

  1. Solve 3x27=4|3x - 2| - 7 = 4.
  2. Solve 2x+1+5=10|2x + 1| + 5 = 10.
  3. What is the solution to 5x+7=13|5x + 7| = 13?
  4. Solve x16=0|x - 1| - 6 = 0.
  5. Solve 2x3=7|2x - 3| = 7.

Tip: When solving absolute value equations, always remember to consider both positive and negative cases.

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Math Problem Analysis

Mathematical Concepts

Algebra
Absolute Value Equations

Formulas

|a| = b implies a = b or a = -b

Theorems

Absolute Value Properties

Suitable Grade Level

Grades 8-10