geometry

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Write a two-column proof.

Given: 7y = 8x – 14; y = 6

Prove: x = 7

  • geometry -

    If a "two -column proof" looks something like this:

    7y = 8x - 14, but y = 6
    8x - 14 = 42
    8x = 56
    x = 7

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