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14 March, 09:02

Find the solution to the system of equations by using graphing or substitution y=2x-1 and y=x+3

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  1. 14 March, 12:28
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    Lets use substitution, since there isn't any graphing method here.

    y = x + 3

    y = 2x - 1

    x + 3 = 2x - 1

    -x - x

    x - 1 = 3

    +1 + 1

    x = 4

    Now solve for y

    y = 2 (4) - 1

    y = 8 - 1

    y = 7

    We have the solution: (4,7)
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