Purchase Solution

Solve a system of 3 equations.

Not what you're looking for?

Ask Custom Question

Solve for x(1), x(2), x(3);

1. 27,954.606 x(1) + 11,969.843 x(2) - 7515.1688 x(3) = 6124.3394
2. 11,969.843 x(1) + 5900.332 x(2) - 3586.4121 x(3) = 3054.3092
3. -7515.1688 x(1) - 3586.4121 x(2) + 2513.4532 x(3) = -1756.4525

Purchase this Solution
Solution Summary

A system of 3 equations is solved by finding the inverse of the coefficient matrix. The response received a rating of "5" from the student who originally posted the question.

Purchase this Solution
Free BrainMass Quizzes
Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Probability Quiz

Some questions on probability

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

View More Free Quizzes
Related BrainMass Solutions

  • Graphs

    See examples 1 -3 and pg 468. x+ y = 7 x - y = 9 Section 7.2 #12 Solve the system of equations using a valid method of your choice, but still show your work! See examples 1 -3 and pg 468.

  • Solving Systems of Linear Equations

    235069 Solving Systems of Linear Equations Solve each step by graphing y = -2/3x 2x+3y = 5 Answer: Solve each system by substitution.

  • 26 Algebra Problems

    Solve the following system of equations by substitution. Determine whether the equations are independent, dependent or inconsistent. Solve the following system of equations by addition.

  • Systems of equations

    What are the steps to solving a system of equation by graphing? Once you have graph a system of equation, how do you check your answer? When we solve a system of linear equation we get a solution. 

  • Equations, absolute value, and inequalities

    98471 Systems of equatinos 1. (Solve system by the substitution method. Determine whether the equations are independent, dependent or inconsistent.) 2x - y = 3 2y = 4x - 6 2. (Solve system by the substitution method.

  • Solving Linear Equations

    Determine whether the lines will be perpendicular when graphed. 3x - 2y = 6 2x + 3y = 6 Solve the system of equations by the substitution method x + 3y = 32 -3x + 2y = 3 Solve the system of equations x + y = 5 x - y = -9 Please see the

  • System of Equations

    405331 System of Equations, Index Numbers Solve the system of equations: 3x + y = -7 x - y = -5 Solve the system of equations: 3x + 2y = 18 y = 3x Which of the following is true of a base period for an index number?

  • System of 3x3 equations with row operations

    y-3z=-3, y=3z-3=1/3-3= -8/3 first row is x+4y-3z=-8, so x=-8-4y+3z=-8+32/3+1/3=3 So (x,y,z)=(3, -8/3, 1/9) This solution is comprised of a detailed explanation to solve each system of equations using matrices(row operations).

  • System of Linear Equations Problems

    What was the price of a book and what was the price of a magazine. Discussion Questions Day 3 DQ1: True or False? Explain your answer. The equations y = 3x - 6 and y = 2x + 4 are independent.

  • methods of solving system of linear equation and inequality

    Solve systems using the substitution method 2. Choose an appropriate method for solving a system 2. 3.

View More Related Solutions