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5 August, 01:16

The value of m in the following system of equations is:

m-2n=8

n=m-2

A) m = - 4

B) m = - 6

C) m = 2

D) None of the choices are correct

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Answers (1)
  1. 5 August, 03:13
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    N=m-2

    m-2n=8, using n from above in this equation yields:

    m-2 (m-2) = 8 perform indicated multiplication

    m-2m+4=8 combine like terms on left side

    -m+4=8 subtract 4 from both sides

    -m=4 divide both sides by - 1

    m=-4

    So the correct answer is A) m=-4
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