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x + 2y + 5z = 0 -x -3y + 4z = 42 2x + 4y + 10z = 0 Which is the best method for solving the following set of equations?

x + 2y + 5z = 0
-x -3y + 4z = 42
2x + 4y + 10z = 0

Which is the best method for solving the following set of equations?

a. Addition, why
b. Substitution, why
c. Other, why

Top Answer

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548636_MATH solution.doc

The simplest method for solving a system of linear equations is to repeatedly eliminate
variables. This can be done by addition.
x + 2y + 5z = 0 --------------1
-x -3y + 4z = 42 --------------2
2x...

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