
Dening and solving the equations
1. You dene the equations you want to solve by entering the coeicients of each variable in each equation
and the constant term. Notice that the cursor is positioned immediately to the left of x in the rst
equation, ready for you to insert the coeicient of x (6). Enter the coeicient and either tap or
press
.
2.
The cursor moves to the next coeicient. Enter that co-eicient and either tap or press
. Continue doing likewise until you have dened all the equations.
Once you have entered enough values for the solver to be able to generate solutions, those solutions appear
near the bottom of the display. In this example, the solver was able to nd solutions for x, y, and z as soon as
the rst coeicient of the last equation was entered.
As you enter each of the remaining known values, the solution changes. The following gure shows the nal
solution once all the coeicients and constants had been entered.
302 Chapter 15 Linear Solver app
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