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15 June, 22:04

Given the following system of equations: 3x + 5y = 30 x + 3y = 10 Which action creates an equivalent system that will eliminate one variable when they are combined?

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  1. 15 June, 22:08
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    3 (10-3y) + 4y=30

    y=0

    x=10

    Step-by-step explanation:

    You can replace 1 of the 2 variables in order to get a lineal equation.

    First equation = 3x+4y=30

    second equiation x+3y=10

    Second = X=10-3Y--> Now you replace X In the first equation

    3 (10-3y) + 4y=30

    30-9y+4y=30

    -5y=0

    y=0

    Now replace y with 0---> 3X+0=30--> X=10

    So

    y=0

    x=10
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