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25 December, 15:36

Ellie ran 4x + 5 miles today and 3x - 2 miles yesterday. Is she ran a total of 31 miles, what is the value of x

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  1. 25 December, 18:40
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    4x+5 + 3x-2=31

    Simplify to

    4x+3x+5-2=31

    7x-3=31

    7x-3+3 = 31+3

    7x=34

    Divide each side by 7 to get X as 4.86
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