To solve for three variables, we need a system of three independent equations.

2. Given a system of three linear equations, the student will solve the system with a unique solution. Solving Systems of Three Equations in Three Variables. Systems with three equations and three variables can also be solved using the Addition/Subtraction method. Solving Systems of Equations Real World Problems. The three currents, I1, I2, and I3, are measured in amps. Solve Applications using Systems of Linear Equations with Three Variables. Systems of equations with three variables are only slightly more complicated to solve than those with two variables.

solving systems of equations with 3 variables 2020