SOLUTION: (please help, im new to this type of equation) Problem 2: Prove: If AB = 5x, BC = 2x �4, and AC = 52, then x = 8. Picture for problem 2: http://imgur.com/sKVczge Problem 3

Question 1089942: (please help, im new to this type of equation)
Problem 2:
Prove: If AB = 5x, BC = 2x �4, and AC = 52, then x = 8.
Picture for problem 2: http://imgur.com/sKVczge
Problem 3: Write a two-column proof.
Prove: If AB = CD, then AC = BD.
Picture for problem 3: http://imgur.com/J7Ao5dm

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

2.
If , , and , then
from your image I see that
...substitute given values

3.
Write a two-column proof.
Prove: If , then
statement............................reason
1..............................given
2.............................segment addition postulate
3.............................segment addition postulate
4..........................substitution
5..............................subst. prop. of =

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