• write a two column proof given 7y=8x-14 y=6

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  • 7y = 8x - 14 y = 6 7y = 8x - 14 Substitution y = 6 7(6) = 8x - 14 Substitution y = 6 42 = 8x - 14 Simplification 7(6) = 42 8x = 56 Add 14 42 + 14 = 56 x = 7 Divide by 8 56/8 = 7

    • Answered:

      Stella Mcknight

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  • | 7y = 8x - 14 | y = 6 | | ------------- | ----- | | 7 * 6 = 42 | | | 8x - 14 = 42 | | | 8x = 56 | | | x = 7 | Q.E.D.|

    • Answered:

      Erica Mcmahon

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