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11 June, 09:09

3x - 5y = 3

4x + 5y = 4

find X and Y and get brainliest

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Answers (1)
  1. 11 June, 09:15
    0
    x=1

    and

    y=0

    Step-by-step explanation:

    Step: Solve 3x+5y=3 for x:

    3x+5y=3

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

    3x=-5y+3

    3x/3=-5y+3/3

    (Divide both sides by 3)

    x=

    -5/3y + 1

    Step: Substitute

    -5/3y+1

    For x in 4x+5y=4:

    4x+5y=4

    4 (-5/3y+1) + 5y=4

    -5/3y+4=4 (Simplify both sides of the equation)

    -5/3y+4 + - 4=4 + - 4 (Add - 4 to both sides)

    -5/3y=0

    -5/3y

    -5/3 = 0

    -5/3

    (Divide both sides by (-5) / 3)

    y=0

    Step: Substitute 0 for y in x=

    -5/3y+1:

    x=-5/3y+1

    x=-5/3 (0) + 1

    x=1 (Simplify both sides of the equation)

    Answer:

    x=1 and y=0
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