Answer: x = 0; x=10
Step-by-step explanation:

Hope this helps!
Answer:
300%
Step-by-step explanation:
3 difference increase
Answer:
I'm pretty sure it's the first and last one
Answer:

Step-by-step explanation:
We have the expression:

The first thing we want to do, is to have the same denominator in both equations, then we need to multiply the first term by (2/2), so the denominator becomes 4*x
We will get:

Now we can directly add the terms to get:

We can't simplify this anymore
Step-by-step explanation: use a histograph