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18 September, 04:32

What is the result of adding these two equations?

6x + 2y = - 2

3x - 2y = - 5

+2
Answers (2)
  1. 18 September, 05:14
    0
    x=-7/9

    y = 12/9

    Step-by-step explanation:

    6x + 2y = - 2

    3x - 2y = - 5

    9x = - 7 (-2y and + 2y eliminated)

    x = - 7/9

    if 3x - 2y = - 5 then

    3 * (-7/9) - 2y = -5➡

    -21/9 - 2y = - 5➡

    -2y = - 5 + 21/9

    -2y = - 24/9
  2. 18 September, 06:23
    0
    Answer: 9x=-7

    Step-by-step explanation:

    Line up the 2 equations like when you add (one on top of the other)

    6x+2y=-2

    3x-2y=-5

    Your going to add the number from the top and add the number directly below it

    That would give you

    6x+3x = 9x

    2y + (-2y) = 0 do not put 0 just leave it blank

    they cancel each other out since the number is the same but one is negative and the other is positive

    -2 + - 5=-7

    Finally bring put the answers you got together in the corresponding order according to the equation and bring down the equal sign

    Final answer:

    9x=-7
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