Answer:
the second one
Step-by-step explanation:
It is a part of slope form ( intercept
I'm assuming you want us to solve for the unknown variable z

Combine like terms on the right side

Use the distributive property on the left side

Add both sides by 20 to cancel out the "-20" on the left side

Divide both sides by 10

That is the value of the known variable, z, in this equation. Let me know if you need any clarifications, thanks!
~ Padoru
Answer:
There are no Solutions.
Step-by-step explanation:
I don't know, but the answer is correct!