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22 August, 10:11

Solve the system of linear equations by substitution. 9. 2x+3y=25 and 4x-y=15

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  1. 22 August, 10:40
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    2x+3 (4x-15) = 25

    14x-45=25

    14x=70

    x=5

    y=5

    (5,5)
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