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28 November, 20:02

Solve independent system equations for:

5x-9y=-65

10x-3y=20

x=?

y=?

+4
Answers (1)
  1. 28 November, 23:50
    0
    5x-9y=-65

    10x-3y=20

    Multiple the first equation by 2

    10x-18y=-130

    10x - 3y=20

    Then subtract the two equations to get rid of the x

    21y=-150

    Divide the - 150 by 21

    Y=-7.14

    Plug the y into the original equation. (Either one)

    5x-9 (-7.14) = -65

    5x-64.28=-65

    Then add 64.28 to the - 65

    5x=-0.72

    Divide by 5

    X=-0.144

    I hope this is right
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