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25 October, 04:03

Solve the system of equations - 5y+8x=-18 5y+2x=58

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Answers (1)
  1. 25 October, 05:35
    0
    (x, y) = (4, 10)

    Step-by-step explanation:

    -5y + 8x = - 18

    5y + 2x = 58

    Adding both equations

    -5y + 8x = - 18

    5y + 2x = 58

    0 + 10x = 40

    10x/10 = 40 / 10

    x = 4

    putting x = 4 in equation 1

    -5y + 8x = - 18

    -5y + 8 (4) = - 18

    -5y + 32 = - 18

    -5y = - 18 - 32

    -5y = - 50

    -5y/-5 = - 50/-5

    y = 10
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