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11 January, 20:10

Use substitution to solve y=4x+5 2x+y=17

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  1. 11 January, 20:23
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    Y=4x+5

    2x+y=17

    Sub in for y

    2x+4x+5=17

    6x+5=17

    Move the same to same side

    6x+5-5=17-5

    6x=12

    x=2
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