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13 January, 13:44

Write a two column proof.

Given: 4y = 2x - 10; y = 6

Prove: x = 17

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Answers (1)
  1. 13 January, 16:02
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    4y=2x-10

    Plug in y

    4 (6) = 2x-10

    Simplify

    24=2x-10

    +10 to both sides

    24+10=2x-10+10

    Simplify

    34=2x

    :2 both sides

    17=x

    x=17
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