Answer:
164.8
Step-by-step explanation:
I used a calculator :)
Answer:
Step-by-step explanation:
You will eliminate y because 3y-3y=0
X=1
At least I'm 99% sure
Sorry. I'm not good at math
Answer:
−4x+y+6z
Step-by-step explanation:
Let's simplify step-by-step.
2x+5y−z−6x−4y+7z
=2x+5y+−z+−6x+−4y+7z
Combine Like Terms:
=2x+5y+−z+−6x+−4y+7z
=(2x+−6x)+(5y+−4y)+(−z+7z)
=−4x+y+6z
