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March 26, 2017

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What is the value of u in the following system of linear equations?
4u + 3v = –1
3u + 2v = 1

a) 5
b)-11/2
C)-7
d)19/3

  • math - ,

    1st times 2
    8u + 6v = -2
    2nd by 3
    9u + 6v= 3
    subtract them
    u = 5

  • math - ,

    how do you subtract this?

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