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    4. Solving Linear Equation-Substitution
    Solving Linear Equation-Substitution

    3x+2y=12     y=2x-1

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    0  Views: 363 Answers: 1 Posted: 13 years ago
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      1 Answer

      3x+2y=12, y=2x-1
      substitude y in the first equation with 2x-1 from the second equation ---> 3x+2(2x-1)=12


      3x+4x-2=12 ---> 7x=14 ---> x=2

      13 years ago. Rating: 0
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