close
    Solving Linear Equation-Substitution

    3x+2y=12     y=2x-1

    0  Views: 342 Answers: 1 Posted: 12 years ago

    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



    Top contributors in Mathematics category

     
    ROMOS
    Answers: 313 / Questions: 0
    Karma: 13510
     
    Colleen
    Answers: 367 / Questions: 0
    Karma: 6890
     
    country bumpkin
    Answers: 96 / Questions: 0
    Karma: 6240
     
    Bob/PKB
    Answers: 220 / Questions: 2
    Karma: 5030
    > Top contributors chart

    Unanswered Questions

    How can I help my child go to the dentist?
    Answers: 0 Views: 17 Rating: 0
    shbet17co
    Answers: 0 Views: 16 Rating: 0
    what is jitter test??
    Answers: 0 Views: 14 Rating: 0
    Cao thủ soi cầu 247
    Answers: 0 Views: 20 Rating: 0
    Xoilac Tv Peterpan
    Answers: 0 Views: 12 Rating: 0
    Xoilac Tv Peterpan
    Answers: 0 Views: 16 Rating: 0
    > More questions...
    452084
    questions
    719633
    answers
    753104
    users