Mathematics, 16.12.2020 03:20 tylerkitchen44
28. Complete the two column proof. Use the text area below as needed.
Given: DF = 120, DE = 4x + 6, EF = 7x + 15
Prove: x = 9
D
E
F
ืื
Statement
Reason
1. Given
2. Given
3.
1. DF = 120, DE = 4x + 6, EF = 7x + 15
2. DE + EF = DF
3. 4x + 6 + 7x + 15 = 120
4. 11x + 21 = 120
5. 11x = 99
6. x = 9
4.
5.
6.
Answers: 1
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28. Complete the two column proof. Use the text area below as needed.
Given: DF = 120, DE = 4x + 6,...
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