Answer:
i don't understand anything what grade are you in
Step-by-step explanation:
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:
1,2
-2 2
Step-by-step explanation:
60/100. Divide by 10: 6/10. Divide by 2: 3/5. She read 3/5 of the book :)
Answer:
Here's my work for this problem: