Question 1193080:  In the figure,  
AB = 4x + 1, 
 BC = 3x + 6, 
 and CD = 7x − 5.Find the length of each side of ▱ABCD. 
so far i have gotten the equation, 4x+1=7x-5 and i got x as 2 
 Found 3 solutions by  josgarithmetic, ikleyn, MathLover1: Answer by josgarithmetic(39630)      (Show Source): 
You can  put this solution on YOUR website! You KNOW that segment AB and segment CD are both parallel and congruent.  You FOUND that  .  You correctly found that  .  What is the trouble from here?  Substitute for x, and evaluate AB, BC, CD, and recognize that DA and BC are congruent. 
 Answer by ikleyn(52903)      (Show Source): 
You can  put this solution on YOUR website! .
 
 
It is correct: at given data, x = 2.
 
 
Now move forward and calculate AB and BC, using formulas and substituting x= 2 in the formulas.
 
 
 
 
 Answer by MathLover1(20850)      (Show Source): 
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