Math Problem Statement

Solve the equation 3(x - 1)/4 = 3(x + 5)/10 for x.

Solution

The equation in the image is:

3(x1)4=3(x+5)10\frac{3(x - 1)}{4} = \frac{3(x + 5)}{10}

To solve for xx, let's first cross-multiply:

3(x1)10=3(x+5)43(x - 1) \cdot 10 = 3(x + 5) \cdot 4

Simplify both sides:

30(x1)=12(x+5)30(x - 1) = 12(x + 5)

Now, expand both sides:

30x30=12x+6030x - 30 = 12x + 60

Next, we'll isolate xx by moving all xx-terms to one side and constants to the other:

30x12x=60+3030x - 12x = 60 + 30

Simplify:

18x=9018x = 90

Now, solve for xx:

x=9018=5x = \frac{90}{18} = 5

Solution:

The value of xx is 5.

Would you like more details on this solution, or do you have any questions?

Follow-up Questions:

  1. How would you solve this equation if the fractions had different coefficients?
  2. What happens if you have an equation with more variables?
  3. Can you solve similar equations with a different method, such as substitution?
  4. How would this change if the terms were squared?
  5. How do you check if your solution is correct in this context?

Tip: Always cross-multiply when dealing with equations involving fractions to simplify the process.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Cross-Multiplication

Formulas

No specific formula, standard algebraic manipulation

Theorems

Cross-Multiplication Principle

Suitable Grade Level

Grades 7-9