4 
From the set {86, 94, 104}, use substitution to determine which value of x makes the equation true.
86 + x = 180
 A. 
104 
 B. 
86 
 C. 
none of these 
 D. 
94 
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4 
From the set {86, 94, 104}, use substitution to determine which value of x makes the equation true.
86 + x = 180
 A. 104 
 B. 86 
 C. none of these 
 D. 94