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iiamentertainment

  • one year ago

Solve the matrix equation.

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  1. iiamentertainment
    • one year ago
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    \[2X + 2\left[\begin{matrix}2 & -8 \\ -4 & 2\end{matrix}\right] = \left[\begin{matrix}4 & -6 \\ 2& -8\end{matrix}\right]\]

  2. modphysnoob
    • one year ago
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    so you have find X?

  3. modphysnoob
    • one year ago
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    subtract 2[] from both sides

  4. modphysnoob
    • one year ago
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    and then divide y 2

  5. iiamentertainment
    • one year ago
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    @modphysnoob idk how to do that

  6. eidinovm
    • one year ago
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    one sec i'm writing you the way

  7. modphysnoob
    • one year ago
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    multiply 2 times \(\left[\begin{matrix}2 & -8 \\ -4 & 2\end{matrix}\right]\)

  8. eidinovm
    • one year ago
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    i'll let you find X22

  9. modphysnoob
    • one year ago
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    |dw:1364761329477:dw|

  10. iiamentertainment
    • one year ago
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    @modphysnoob idk what that last number is by the 4

  11. iiamentertainment
    • one year ago
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    @modphysnoob so is the final matrix 0 5 -3 -2

  12. modphysnoob
    • one year ago
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    2--8=2+8=10 10/2 =5

  13. iiamentertainment
    • one year ago
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    0 5 5 ?

  14. modphysnoob
    • one year ago
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    0 5 5 -6

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