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Solve by elimination method.


  • math -

    can someone please check my answer?

    the answer I got was s= -69/-21 or 3.28

  • math -

    I didn't get that. Did you separate one of the variables by itself then plug it into the other equation? It has to be r= not 2r= or anything

  • math -

    hmmm this is where I get confused which variable do I need to multiply to eliminate...

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