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22 July, 00:40

Solve the system by substitution y=10x y=-3x-104

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  1. 22 July, 00:42
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    Answer: (-8, - 80)

    Step-by-step explanation:

    y = 10x

    y = - 3x - 104

    Substitute "y" with "10x" into the second equation, then solve for x:

    10x = - 3x - 104

    13x = - 104 added 3x to both sides

    x = - 8 divided both sides by 13

    Next, substitute - 8 for x into the first equation to solve for y:

    y = 10 (-8)

    = - 80
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