How to solve System of linear Equations using Matrices

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Matrices can be used to solve simultaneous linear equations, by first writing them in matrix form and then pre-multiplying by the inverse. Note firstly that these simultaneous equations can be written as the following matrix equation. If you need convincing, multiply out the matrices.

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KwaguSamuel

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brightbabu

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PatienceEssor-psjq

Thanks a lot for the great information
So far I'm very good with Matrices learning from this flat form

anelkadevorce

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HappyPhiri-mq

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mariamogaji

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alimamysesay

Neat, but solving this by substitution is much quicker. When would one want to use matrices to do this? More complex systems of equations?

andrewcorrie