Answer:
x - 5y
Step-by-step explanation:
Let's solve your question together,
6x - 8y - 5x + 3y
first arrange them according to their variable.
6x - 5x - 8y + 3y
Now, solve
x - 5y
Hope this helps :)
Answer:

Step-by-step explanation:
We have three similar triangles:

therefore the sides are in proportion:

We have AD = a, CD = 16 and BD = 4. Substitute:
<em>cross multiply</em>

and other proportion:

We have AB = b, BC = 16 + 4 = 20 and BD = 4. Substitute:
<em>cross multiply</em>

Answer:
5/12
Step-by-step explanation:
Just took quiz and got problem right.