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4 October, 21:31

Correctly identify the first step in solving the system of equations by using the elimination method given the following equations:

5x+y=5

10x+3y=20

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  1. 4 October, 21:54
    0
    x=-1 and y=10

    Step-by-step explanation:

    -3 (5x+y=5)

    10x+3y=20

    -15x-3y=-15

    10x+3y=20

    10x-15x+3y-3y=20-15

    -5x=5

    x=-1

    5x+y=5

    (-1) 5+y=5

    -5+y=5

    y=10
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