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MathematicsMathematics
27 January, 22:29

I'm not sure how to solve the systems of equations problem below

9x-4y = - 7

7x-12 = 39

What does X equal?

What does Y equal?

+2
Answers (1)
  1. 27 January, 23:52
    0
    Solve the lower equation first

    +12 on each side

    7x=51

    divide by 7

    x=51/7

    then use that to solve the upper equation
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