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25 March, 13:01

Be honest teachers asked her which of these three expressions are equivalent to each other 9X - 3X - 4, 12X - 4, 5x + X - 4

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  1. 25 March, 13:24
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    9x-3x - 4 simplified = 6x - 4

    5x+x - 4 simplified = 6x - 4

    So, 9x-3x=6x-4
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