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19 January, 13:35

What is the x value in the soulution to this system of linear equation 2x-y=11 x+3y=-5

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  1. 19 January, 16:03
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    Answer:x=7

    Step-by-step explanation:

    2x-y=11 equation1

    x+3y=-5 equation2

    multiplying equation 2 by 2 in order to cancel x

    2 (x+3y=-5)

    2x+6y=-10 equation 3

    subtacting equation 1 and 3

    2x-2x-y-6y=11 - (-10)

    -7y=21

    y=-3

    put the value of y in equation 1 to find the value of x

    2x - (-3) = 11

    2x=11+3

    2x=14

    x=7
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