Zis the midpoint of ya. if yz = x + 12, and za = 6x - 13, what is ya?

Step-by-step explanation:

You know that "Z" is the midpoint of "YA". This means the following:

Now, you know that the expression for "YZ" is:

And the given expression for "ZA" is:

Knowing these expressions, you can substitute them into , as following:

Finally, you must add these expressions in order to get "YA".

Therefore, this is: