Math Problem Statement

Solve the equation (2x + 1)/4 - x = (3x + 1)/8 + 1.

Solution

We are solving the equation:

2x+14x=3x+18+1\frac{2x+1}{4} - x = \frac{3x+1}{8} + 1

Step 1: Eliminate the fractions

Find the least common denominator (LCD) of 44 and 88, which is 88. Multiply through the entire equation by 88 to eliminate the fractions:

82x+148x=83x+18+818 \cdot \frac{2x+1}{4} - 8 \cdot x = 8 \cdot \frac{3x+1}{8} + 8 \cdot 1

Simplify each term:

2(2x+1)8x=3x+1+82(2x + 1) - 8x = 3x + 1 + 8

4x+28x=3x+94x + 2 - 8x = 3x + 9

Step 2: Simplify the equation

Combine like terms:

4x+2=3x+9-4x + 2 = 3x + 9

Step 3: Isolate xx

Move 3x3x to the left-hand side and 22 to the right-hand side:

4x3x=92-4x - 3x = 9 - 2

7x=7-7x = 7

Step 4: Solve for xx

Divide both sides by 7-7:

x=1x = -1

Final Answer:

x=1x = -1

Would you like me to verify the solution or explain any specific step in more detail?


Here are some related questions for practice:

  1. How do you solve linear equations with fractions?
  2. What is the purpose of finding the least common denominator?
  3. How can we check if a solution is correct by substitution?
  4. What happens if a fraction has variables in both numerator and denominator?
  5. How does multiplying through by the LCD simplify solving equations?

Tip: When solving equations with fractions, always simplify by eliminating fractions early to make calculations easier!

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Math Problem Analysis

Mathematical Concepts

Algebra
Equations with Fractions
Linear Equations

Formulas

Multiplication to Eliminate Fractions
Combining Like Terms

Theorems

Equality Property of Equations

Suitable Grade Level

Grades 8-10