Math Problem Statement

Solve the system of equations: 2x - 3y = 12 and 4x + 3y = 24.

Solution

To solve this system of equations, we can use either the elimination or substitution method. Here’s the system:

  1. 2x3y=122x - 3y = 12
  2. 4x+3y=244x + 3y = 24

Step-by-Step Solution using Elimination Method:

  1. Add the equations together to eliminate yy:

    (2x3y)+(4x+3y)=12+24(2x - 3y) + (4x + 3y) = 12 + 24

    Simplifying:

    6x=366x = 36

  2. Solve for xx:

    x=366=6x = \frac{36}{6} = 6

  3. Substitute x=6x = 6 into one of the original equations to find yy:

    Using the first equation, 2x3y=122x - 3y = 12:

    2(6)3y=122(6) - 3y = 12

    123y=1212 - 3y = 12

    Subtract 12 from both sides:

    3y=0-3y = 0

    y=0y = 0

Solution:

The solution to the system is: x=6,y=0x = 6, \quad y = 0

Would you like further details or have any questions?

Here are some related questions to expand your understanding:

  1. What would happen if you solved the system using the substitution method?
  2. How can you check if a solution to a system of equations is correct?
  3. What does it mean if a system of equations has no solutions?
  4. How would you solve the system if both equations had different coefficients for yy?
  5. What are the differences between dependent, independent, and inconsistent systems?

Tip: When using elimination, try to align terms so one variable cancels out easily.

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Math Problem Analysis

Mathematical Concepts

Algebra
Systems of Linear Equations
Elimination Method

Formulas

Elimination Method
Substitution in linear equations

Theorems

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Suitable Grade Level

Grades 8-10