Algebra 1

Your cousin is eight years older than your brother three years ago your cousin was twice as old as your brother how old is your cousin now how old is your brother now

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  1. Let B = brother's age
    and C = cousins agae
    ====================
    B+8 = C
    2(B-3) = C-3
    Solve those two equations simultaneously for B and C.

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  2. Present Past
    Cousin x+8 2(x-3)
    Brother x x-3

    Solution: x+8-3=2(x-3)
    x+5 =2x-6
    5+6 =2x-x
    11 =x (brother)
    19 =11+8 (cousin)

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