Question

E is the midpoint of DF. if DE =5x + 4 and DF =78.

Answer 1

Answer:

• x = 7

Step-by-step explanation:

• Assumed it is asking to find the value of x

Given

• F is midpoint of DF
• DE = DF/2
• DE = 5x + 4
• DF = 78

Solution

• 5x + 4 = 78/2
• 5x + 4 = 39
• 5x = 35
• x = 7