Math Problem Statement
Solve for X in the matrix equation: [[5, 5, -7], [2, 3, -6]] + X = [[1, 1, 5], [4, -2, 9]]
Solution
The equation given is:
5 & 5 & -7 \\ 2 & 3 & -6 \end{bmatrix} + X = \begin{bmatrix} 1 & 1 & 5 \\ 4 & -2 & 9 \end{bmatrix}$$ We need to solve for the matrix $$X$$. This can be done by subtracting the first matrix from the second matrix: $$X = \begin{bmatrix} 1 & 1 & 5 \\ 4 & -2 & 9 \end{bmatrix} - \begin{bmatrix} 5 & 5 & -7 \\ 2 & 3 & -6 \end{bmatrix}$$ Now, perform element-wise subtraction: $$X = \begin{bmatrix} 1 - 5 & 1 - 5 & 5 - (-7) \\ 4 - 2 & -2 - 3 & 9 - (-6) \end{bmatrix}$$ Simplifying each element: $$X = \begin{bmatrix} -4 & -4 & 12 \\ 2 & -5 & 15 \end{bmatrix}$$ Thus, the solution is: $$X = \begin{bmatrix} -4 & -4 & 12 \\ 2 & -5 & 15 \end{bmatrix}$$ Would you like more details, or do you have any questions? Here are five related questions: 1. How do you solve for a matrix variable when the equation includes subtraction? 2. What are the properties of matrix addition and subtraction? 3. Can you perform matrix addition or subtraction on matrices of different dimensions? 4. How can matrices be used in solving systems of linear equations? 5. How is matrix subtraction related to vector subtraction? **Tip:** Always check that the matrices have the same dimensions before performing addition or subtraction.Ask a new question for Free
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Math Problem Analysis
Mathematical Concepts
Matrix Algebra
Matrix Addition and Subtraction
Formulas
Matrix subtraction formula: A - B = [a_ij - b_ij]
Theorems
Properties of Matrix Addition/Subtraction
Suitable Grade Level
Grades 10-12
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