Math Problem Statement

Solve 3(4 - 2x) = -x + 1

Solution

We are given the equation:

3(42x)=x+13(4 - 2x) = -x + 1

Let's solve it step by step.

Step 1: Distribute the 3 on the left-hand side

3(42x)=3×43×2x=126x3(4 - 2x) = 3 \times 4 - 3 \times 2x = 12 - 6x Now the equation is: 126x=x+112 - 6x = -x + 1

Step 2: Move all terms involving xx to one side

Add 6x6x to both sides: 12=6xx+112 = 6x - x + 1 Simplify the right-hand side: 12=5x+112 = 5x + 1

Step 3: Move constant terms to the other side

Subtract 1 from both sides: 121=5x12 - 1 = 5x 11=5x11 = 5x

Step 4: Solve for xx

Divide both sides by 5: x=115x = \frac{11}{5}

Thus, the solution is: x=115x = \frac{11}{5}

Answer:

The correct choice is A.


Would you like further details on any of the steps or explanations? Here are some related questions you could explore:

  1. How do you verify solutions to linear equations?
  2. What are the common properties of linear equations?
  3. How does distribution work in algebraic expressions?
  4. How can you solve equations with fractions?
  5. What is the geometric interpretation of linear equations?

Tip: Always check your solution by plugging it back into the original equation to ensure correctness.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Algebra

Formulas

Distributive Property
Linear Equation Solving

Theorems

Properties of Equality

Suitable Grade Level

Grades 7-9