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28 May, 11:20

Y=2x and x+3y=-14 substitution to solve each system of equations

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  1. 28 May, 11:42
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    You can use the substitution method.

    You substitute the first equation to the second equation to get the value of x.

    x + 3y = - 14

    x + 3 (2x) = - 14

    x + 6x = - 14

    7x = - 14

    x = - 14/7 = - 2

    Substitute the value of x to the first equation.

    y = 2 (-2) = 4
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