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21 May, 17:34

Substitution - 2x+5y=19 and 3x-4=y

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  1. 21 May, 18:40
    0
    x = 3, y = 5

    Step-by-step explanation:

    Substitute 3x-4 for y, giving you - 2x+5 (3x-4) = 19

    Simplify both sides of the equation for 13x-20=19

    Add 20 to both sides for 13x=39

    x = 3

    Substitute x into 3x-4

    3 (3) - 4

    9-4

    y = 5
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