Answer:
step 1
Step-by-step explanation:
Answer:

Step-by-step explanation:
We have a similarity of triangles. Once the side BC and ED are parallel,


Once 




Answer:
23
Step-by-step explanation:
i think i hope it help
Each term differs by -68 and the first term is -68, we have:

As an expession it's just -68n.
Move x
5y = - 15 - 3x
y = - 3 - 3/5x
y = - 3/5 - 3
-y = 3/5 + 3