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23 February, 13:30

What is the solution of the system of equation below 3x-2y=7 - 3x+5y=5

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Answers (1)
  1. 23 February, 14:26
    0
    x=5 y=4

    Step: Substitute

    2

    3

    y+

    7

    3

    forxin-3x+5y=5:

    -3x+5y=5

    -3 (

    2

    3

    y+

    7

    3

    ) + 5y=5

    3y-7=5 (Simplify both sides of the equation)

    3y-7+7=5+7 (Add 7 to both sides)

    3y=12

    3y

    3

    =

    12

    3

    (Divide both sides by 3)

    y=4

    Step: Substitute4foryinx=

    2

    3

    y+

    7

    3

    :

    x=

    2

    3

    y+

    7

    3

    x=

    2

    3

    (4) +

    7

    3

    x=5 (Simplify both sides of the equation)

    Answer:

    x=5 and y=4
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