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Hendy
Hendy asked in Science & MathematicsMathematics · 1 year ago

Solve the system of linear equations. ?

x - y + 2z = 22

   3y - 8z = -9

             z = -3

3 Answers

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  • Jeff Aaron
    Lv 7
    1 year ago
    Favorite Answer

    3y - 8(-3) = -9

    3y + 24 = -9

    3y = -9 - 24

    3y = -33

    y = -33/3

    y = -11

    x - (-11) + 2(-3) = 22

    x + 11 - 6 = 22

    x = 22 - 11 + 6

    x = 17

  • rotchm
    Lv 7
    1 year ago

    What is the value of z ?

    Replace this value into the second eqs to find y. What is the value of y?

    Answer these & we will proceed. 

  • StarShine
    Lv 7
    1 year ago

    Do your own homework

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