Math

3X+Y-11 and -2X+Y=1

X= Y=

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  1. y = 1+2x

    3x+(1+2x) = 11
    ...

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  2. Given
    3x+y=11 call as eq 1
    -2x+y=1 call as eq 2
    Subtract 1&2 and consider simaltaneously

    We get "y" will be cancelled

    So, 5x=10
    x=10/5
    X=2

    Substitute x=2 in eq 1
    3x+y=11
    3(2)+y=11
    6+y=11

    Y=11-6

    Y=5

    Therefore x=2 and y=5

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