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Rajan@2021
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Solve the equations graphically: 3x+2y=12, 5x-2y=4

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This question is from linear equations in two variables in which we have given that 3x+2y=12, 5x-2y=4 and we have to solve the given equations graphically

Kindly solve this question

RS Aggarwal, Class 10, chapter 3A, question no 5

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  1. 3x+2y=12….(1)
    5x2y=4……(2)

    Isolate x from equation (1) and find the value of x and y.
    3x+2y=12
    3x=122y

    x: 4  2   0
    y: 0  3   6

    Similarly, isolate x from equation (2) and find the values of x and y.
    5x2y=4
    5x=4+2y
    or x=(4+2y)/5

    x:      0    2   4
    y:   2    3   8

    Graph:
    Both the lines intersect each other at point (2,3).
    So, x=2,y=3

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