Answer:
x=7/5......... ..... .......
Answer:
z = 1 + 9y³
Step-by-step explanation:
It looks like you have ...

Hey!
The Correct Answer Is: True.
5y + 2y = 22
(add 2y to 5y)
7y = 22
(divide each side by 7)
y ≈ 3.1
-2y + 6y = 3
(add 6y to -2y)
4y = 3
(divide each side by 4)
y = 0.75