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30 October, 17:35

Matt is 9 years older than twice Emily's age. The sum of their ages is 90, write the system of linear equation to find Matt and Emily's ages. What is Matt's age?

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  1. 30 October, 20:33
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    x+y = 90

    x=2y+9

    2y+9+y=90

    3y=81

    y = 27 Emily's age

    x = 2*27+9 = 63 Matt's age
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