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31 July, 19:39

30

Solve by elimination:

2x - 3y = - 6

-2x - 2y = 26,

+3
Answers (1)
  1. 31 July, 23:20
    0
    x=-9, y=-4

    Step-by-step explanation:

    2x-3y=-6 ... (1)

    -2x-2y=26 ... (2)

    To solve we will have to eliminate one of the given variables, the variable to be eliminated is x

    And it can be done by adding up (1) and (2)

    It gives

    -5y=20

    Divide both sides by-5

    y=-4

    Then substitute the value of y into (1)

    2x-3 (-4) = -6

    2x+12=-6

    Substrate 12 from both sides

    2x=-18

    Divide both sides by 2

    x=-9

    Therefore x gives - 9 and y gives-4
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