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Home > INT3 > Chapter 11 > Lesson 11.2.4 > Problem 11-100
11-100.
Solve the system of equations below and then check your solution in each equation. Be sure to keep your work well organized.
Choose a variable to eliminate and two equations to work with.
There are many possibilities.
We will use the first and third equations and eliminate
Multiply the third equation by
Choose a different pair of equations and eliminate the same variable.
Here, we use the second and third equations.
Multiply the third equation by
Now combine the two result equations.
Solve for
Check your result in each equation.