Question

Point D is on line segment CE.Given DE = 2 + 10, CD = 6, and CE = 3x,

determine the numerical length of DE.

Answer 1

18

Explanation:

There are selveral ways of doing this

1. add all the numbers together so 2+10+6=18

or

2. 3x= (2+10) +6

(12)+6

18

3x=18

/3. /3

x=6

then 3(6)

therefore equalling 18 as well