Math Problem Statement

Solve the problem

Solve the system of linear equations provided in the image.

Solution

It seems like you've uploaded a system of linear equations. I'll interpret and solve them for you.

The equations appear to be:

  1. 3x26x3+6x4+4x5=53x_2 - 6x_3 + 6x_4 + 4x_5 = -5
  2. 3x47x2+8x35x4+8x5=93x_4 - 7x_2 + 8x_3 - 5x_4 + 8x_5 = 9
  3. 3x29x2+12x392x4+6x5=153x_2 - 9x_2 + 12x_3 - 92x_4 + 6x_5 = 15

Let me solve this system for you. sympy import symbols, Eq, solve

Define the variables

x2, x3, x4, x5 = symbols('x2 x3 x4 x5')

Define the equations

eq1 = Eq(3x2 - 6x3 + 6x4 + 4x5, -5) eq2 = Eq(3x2 - 7x2 + 8x3 - 5x4 + 8x5, 9) eq3 = Eq(3x2 - 9x2 + 12x3 - 92x4 + 6x5, 15)

Solve the system of equations

solutions = solve((eq1, eq2, eq3), (x2, x3, x4, x5)) solutionsThe solution to the system of equations is:

  • x2=2x330731663x_2 = 2x_3 - \frac{3073}{1663}
  • x4=511663x_4 = -\frac{51}{1663}
  • x5=6053326x_5 = \frac{605}{3326}

Since x3x_3 is still a free variable, you can assign any value to x3x_3, and the values of x2x_2, x4x_4, and x5x_5 will depend on that choice.

Would you like further clarification on this solution or any other details? Here are some related questions you could explore:

  1. How do you solve a system of linear equations using substitution or elimination methods?
  2. What are free variables, and how do they affect the solutions to a system of equations?
  3. Can you solve this system if additional constraints or values for x3x_3 are given?
  4. What would happen if you used matrices to solve this system instead of substitution?
  5. How can this system of equations be interpreted in real-life scenarios, like physics or economics?

Tip: Always double-check the coefficients in your equations before solving, as small errors can lead to incorrect results!

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Systems of Linear Equations

Formulas

Substitution method
Elimination method
Matrix method for solving systems of equations

Theorems

Gaussian elimination
Cramer's rule

Suitable Grade Level

Grades 9-11