Math

Solve for X using the matrices below.
2A + 4B = −2X

A=
((8,-5)
(9,0)
(5,-6))

B=
((0,7)
(4,0)
(-6,-1))

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  1. 2A + 4B =
    (16,-10) + (0,28) = (16,18)
    (18,0) + (16,0) = (34,0)
    (10,-12) + (-24,-4) = (-14,-16)
    so, X = -1/2 times all that:
    ((-8,-9)
    (-17,0)
    (7,8))

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    posted by oobleck
  2. oobleck got it!

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    posted by

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