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Algebra I Recipe: Adding and Subtracting Matrices
Characteristics of a Matrix
  1. It’s a rectangular arrangement of numbers into rows and columns.
  2. The name and size of a matrix are stated by the number of rows first and the number of columns second, read rows by columns.
  3. A matrix is also named by using a capital letter.
ExamplesExamples:


  1. Only matrices having the same size can be added and subtracted.
  2. To add and subtract matrices, add and subtract the numbers in the same position.
ExamplesExamples:



What are the values for each variable?




G Redden

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