If DF = 200, then find the value of x. Then find DE and DF

A) x = 5; DE = 2; EF = 180 B) x = 13; DE = 40; EF = 160

C) x = 13; DE = 52; EF = 148 D) x = 16; DE = 52; EF = 148  

 

 

 

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1 Answer

(4x - 12) + (10x + 30) = 200

14x + 18 = 200

14x = 182

x = 182/14 = 13

DE = 4x - 12 = 4(13) - 12 = 40

EF = 10x + 30 = 10(13) + 30 = 160
by Level 6 User (23.1k points)

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