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17 September, 22:06

Solve the system by the elimination method

7x+5y=-25

5x+3y=-23

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Answers (1)
  1. 18 September, 01:27
    0
    Step-by-step explanation:

    7x+5y=25 * 3 7*-1.5+5y=25

    5x+3y = - 23 * 5 - 10.5 + 5y = 25

    5y = 25 + 10.5

    21x+15y=75 5y = 35.5

    25x+15y=69 y = 7.1

    -4x=6

    x=-1.5
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