Applications of Linear Systems

When solving a system of equations, how do you determine which method to use?

Question

Applications of Linear Systems

When solving a system of equations, how do you determine which method to use?

anonymous · Answer

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anonymous · Answer

depends. Elimination, substitution, subtraction, addition, division, multiplication...

anonymous · Answer

when at least one of the variables has the same coefficients in both equations
or is an simple multiple of the same variable in the other equation, then elimination is a good strategy.

When one of the variables can be easily isolated into a simple expression, then substitution is a good strategy.

anonymous · Answer

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