Math Problem Statement

solve

Provide a reason for each step in solving the equation 2(x - 1) - 3(x + 2) = 8 - 4x

Solution

Let's go step by step through the solution shown in the image:

Equation:

2(x1)3(x+2)=84x2(x - 1) - 3(x + 2) = 8 - 4x

Step 1:

Distribute the constants to the terms inside the parentheses: 2(x1)3(x+2)=2x23x62(x - 1) - 3(x + 2) = 2x - 2 - 3x - 6 This simplifies to: 2x23x6=84x2x - 2 - 3x - 6 = 8 - 4x Reason: Apply the distributive property a(b+c)=ab+aca(b + c) = ab + ac.

Step 2:

Combine like terms on the left side of the equation: (2x3x)+(26)=x8(2x - 3x) + (-2 - 6) = -x - 8 This gives: x8=84x-x - 8 = 8 - 4x Reason: Combine like terms.

Step 3:

Add 4x4x to both sides to eliminate the variable on the right: x+4x8=8-x + 4x - 8 = 8 This simplifies to: 3x8=83x - 8 = 8 Reason: Add 4x4x to both sides to get all xx-terms on one side.

Step 4:

Add 8 to both sides to isolate the term with xx: 3x8+8=8+83x - 8 + 8 = 8 + 8 This simplifies to: 3x=163x = 16 Reason: Add 8 to both sides.

Step 5:

Divide both sides by 3 to solve for xx: x=163x = \frac{16}{3} This can also be written as: x=513x = 5 \frac{1}{3} Reason: Divide both sides by 3.

Final Answer:

x=513x = 5 \frac{1}{3}


Do you want any further clarification or details on a specific step?

Related Questions:

  1. How do you apply the distributive property to more complex expressions?
  2. What are like terms, and how do you combine them?
  3. Why is it important to isolate the variable when solving equations?
  4. Can you solve an equation when the variable appears on both sides?
  5. What are the different ways to represent fractions and mixed numbers?

Tip:

Always check your solution by plugging the value of xx back into the original equation to ensure it satisfies both sides.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Distributive Property
Combining Like Terms
Isolating Variables

Formulas

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

Theorems

Basic properties of equality
Distributive Property

Suitable Grade Level

Grades 8-10