OpenStudy (itstarynsewell):
Write a two-column proof. Given: 7y=8x-14; y=6 Prove: x=7 I need help making a two-column proof with the statements and the reasons, please! Thank you! ( This is what I have so far) Statements | Reasons | 1. 7y=8x-14;y=6 | Given | 2. 7(6)=8x-14 | Substitution | 3. 42=8x-14 |???? | 4. ??? |??? | 5. x=7 |???? (I just stopped at 5 for right, that's not the exact steps I think the two-column proof actually has) Thank you again for whoever helps me! Be Blessed
OpenStudy (wholock):
Okay, you're going good, the next proof will simply say "simplify" because your are simplifying 7 * 6 42 = 8x - 14 | Simplify 56 = 8x | Add 14 to both sides 7 = x | Divide both sides by 8 x = 7 | Communitve Property And you're done!
OpenStudy (itstarynsewell):
Thank you @Wholock !
OpenStudy (wholock):
No problem!
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