Question

Point E is the midpoint of DF . If D E=8 x-3 and E F=3 x+7 , what is x ?

Answer 1

x = 2

Explanation:

since E is the midpoint of DF , then

DE = EF , that is

8x - 3 = 3x + 7 ( subtract 3x from both sides )

5x - 3 = 7 ( add 3 to both sides )

5x = 10 ( divide both sides by 5 )

x = 2