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-   -   I'm having some difficulty with substitution Method on these 4 problems please show me (https://www.askmehelpdesk.com/showthread.php?t=453221)

  • Mar 1, 2010, 08:14 PM
    slimlegs
    I'm having some difficulty with substitution Method on these 4 problems please show me
    m having some difficulty with substitution Method on these 4 problems
    please show me how to do them!
    10 points

    y=-12x+387
    x+-1/3y+30

    y=8/9x+30
    y=-4x-14

    11x-3y=-24
    x+2y/2=8

    138= 138/11y + 828/187x
    y=-2x-45
  • Mar 1, 2010, 08:41 PM
    KISS

    I'll pick one:

    y=8/9x+30
    y=-4x-14

    -4x -14 = 8/9x +30

    Can you do it? Try?

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