godisgoodco08 godisgoodco08

13-07-2022
Mathematics

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Write a two-column proof.

Given: 7y = 8x – 14; y = 6

Prove: x = 7

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Medunno13 Medunno13

13-07-2022

1) [tex]7y=8x-14, y=6[/tex] [given]

2) [tex]7(6)=8x-14[/tex] [substitution]

3) [tex]56=8x[/tex] [addition property of equality]

4) [tex]7=x[/tex] [division property of equality]

5) [tex]x=7[/tex] [symmetric property of equality]

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