Math Problem Statement

Solve for x: x - 2 < 3(x - 5)

Solution

To solve the inequality:

x2<3(x5)x - 2 < 3(x - 5)

we’ll go through the following steps:

Step 1: Distribute the 3 on the right side

x2<3x15x - 2 < 3x - 15

Step 2: Move all terms involving xx to one side

Subtract xx from both sides: 2<2x15-2 < 2x - 15

Step 3: Isolate the term with xx

Add 15 to both sides: 13<2x13 < 2x

Step 4: Solve for xx by dividing both sides by 2

132<x\frac{13}{2} < x or equivalently, x>132x > \frac{13}{2}

Final Answer:

x>132orx>6.5x > \frac{13}{2} \quad \text{or} \quad x > 6.5

Would you like further details on any of the steps?


Here are five related questions to explore further:

  1. How would the solution change if the inequality was x23(x5)x - 2 \leq 3(x - 5)?
  2. What happens to the inequality direction when multiplying or dividing by a negative number?
  3. Can you solve similar inequalities where the terms include square roots or fractions?
  4. How would the inequality be solved if it were a quadratic inequality instead?
  5. What graphical representation corresponds to this inequality on a number line?

Tip: When solving inequalities, always remember to flip the inequality sign if you multiply or divide both sides by a negative number.

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Math Problem Analysis

Mathematical Concepts

Inequalities
Linear Equations

Formulas

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

Theorems

Properties of inequalities

Suitable Grade Level

Grades 8-10