If 3x – 2y = 0, 3y – 2x = 3 , then find the value of ( x + y ). ​

Question

If 3x – 2y = 0, 3y – 2x = 3 , then find the value of ( x + y ).

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Skylar 2 weeks 2021-09-10T02:21:33+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-10T02:22:50+00:00

    Answer:

    x + y = 3

    Step-by-step explanation:

    The two equetion is,

    3x – 2y = 0 —-(1)

    3y – 2x = 3 —-(2)

    From equation (1) we get,

    3x-2y = 0

    3x = 2y

    x = 2y/3 —(3)

    From equation (2) we get,

    3y-2x = 3

    -2x = 3 – 3y

    x = 3y-3/2 —-(4)

    From equation (3) and (4) we get,

    2y/3 = 3y-3/2

    4y = 9y – 9

    4y – 9y = -9

    5y = 9

    y = 9/5

    Substitute y = 9/5 in equation (1) we get,

    3x-2y = 0

    3x-2(9/5) = 0

    3x-18/5 = 0

    3x = 18/5

    x = 18/5/3

    x = 6/5

    So, x+y = 9/5+6/5

    = 9+6/5 = 15/5 = 3

    So, x+y = 3 [Ans.]

    I hope it may help you.

    0
    2021-09-10T02:23:07+00:00

    Answer:

    the answer is 3

    Step-by-step explanation:

    given equations are

    3x-2y=0…………….. equation 1

    -2x +3y=3……………… equation 2

    by solving equations 1&2

    we get,

    x=6/5

    y=9/5

    x+y=6/5+9/5

    x+y=15/5

    x+y=3

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