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6 November, 19:03

Solve the system of equations. Write your answers in a list of ordered pairs, separated by commas.

{x2+y2=65

x2-3y=37

+5
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  1. 6 November, 19:07
    0
    X2+y2=65 ... 1

    X2-3y=37 ... 2

    :both equation. 1 by 2

    X+y=32,5

    X=32,5-y ... 3

    Sub 3 in 2

    (32,5-y) 2-3y=37

    65-2y-3y=37

    65-5y=37

    -5y=37-65

    -5y = - 28 divide both sides by - 5

    Y=5,6 ... 4

    Sub 4 in 3

    x=32,5-y

    =32,5-5,6

    =26,9

    Hope it's the way you wanted it
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