In Exercises 39—42, write each matrix equation as a linear system of equations.
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College Algebra
- In Exercises 5–8, use the definition of Ax to write the matrix equation as a vector equation, or vice versa. 5. 5 1 8 4 -2 -7 3 −5 5 -1 3 -2 = -8 - [18] 16arrow_forwardSolve each system in Exercises 1–4 by using elementary rowoperations on the equations or on the augmented matrix. Followthe systematic elimination procedure described in this section. 2x1+ 4x2 = -4 5x1+7x2 = 11arrow_forwardIn Exercises 9 and 10, write the system first as a vector equation and then as a matrix equation. 9. 3x1+x25x3=9 x2 + 4x3 = 0arrow_forward
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- Elementary Linear Algebra (MindTap Course List)AlgebraISBN:9781305658004Author:Ron LarsonPublisher:Cengage Learning