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TiliK225 [7]
3 years ago
11

If ED = x + 4 and DB = 3x - 8, find ED, DB, and EB

Mathematics
2 answers:
Flura [38]3 years ago
8 0

Answer:

20 = EB

10 = DB

10 = ED

Step-by-step explanation:

By definition, according to this cross-section model, point D is the segment bisector of all segments, according to which segments they are in congruence with. Anyway, here is how it is done:

3x - 8 = x + 4

-3x - 3x

_____________

−8 = −2x + 4

-4 - 4

_____________

−12 = −2x

____ ____

−2 −2

6 = x[Plug this back into all expressions above to get the measurements of 20 = EB, 10 = DB, 10 = ED]

* Since point D the segment bisector, you set the given equations equal to each other, then in the end, plug the x-value back into all expressions to get the length of EB.

I am joyous to assist you anytime.

Tom [10]3 years ago
5 0

Answer:

Part 1) ED=10\ units

Part 2) DB=10\ units

Part 3) EB=20\ units

Step-by-step explanation:

we know that

EB=ED+DB

ED=DB -----> given problem

Substitute the given values and solve for x

x+4=3x-8

3x-x=4+8

2x=12

x=6

<em>Find the value of ED</em>

ED=x+4

substitute the value of x

ED=6+4=10\ units

<em>Find the value of DB</em>

Remember that

ED=DB

therefore

DB=10\ units

<em>Find the value of EB</em>

EB=ED+DB

EB=10+10=20\ units

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