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Rajan@2021
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Solve for x and y: 0.3x+0.5y=0.5, 0.5x+0.7y=0.74

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This question is from linear equations in two variables in which we have been asked to find the value of variables x and y from the equations 0.3x+0.5y=0.5, 0.5x+0.7y=0.74

Kindly solve these equations

RS Aggarwal, Class 10, chapter 3B, question no 14

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1 Answer

  1. Equation (1)×30:15x+21y=22.2

    Equation (2)×50:15x+25y=25

    Subtract two equations ;

    4y=14/5

    y=7/10

    Substitute y in equation 1, we get ;

    x=1/2

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