Lesson: Systems of Linear Equations in Three Variables Glencoe • Algebra 2 • enVision • Algebra 2 • Common Core • Prentice Hall • Mathematics • Course 3 • Common Core • Glencoe • Algebra 2 • Common CoreMathematics
In this lesson, we will learn how to solve systems of linear equations in three variables that can have one solution, infinite solutions, or no solution.
Sample Question Videos
Solve the simultaneous equations
The sum of the ages of three brothers is 123 years. The first brother is 3 years older than the second brother who is 9 years older than the third. Find their current ages.
Given that the solution set of the simultaneous equations is , find the values of , and .