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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?

b. Substitution, why
c. Other, why

Here is the solution... View the full answer

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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