Isolate the z. Note the equal sign. Subtract 1/7z to both sides
1/7z (-1/7z) + 2 = -6/7z (-1/7z)
2 = -6/7z - 1/7z
Simplify. Combine like terms
2 = -7/7z
2 = -1z
Isolate the z. Divide -1 from both sides
(2)/-1 = (-1z)/-1
z = 2/-1
z = -2
-2 is your answer
hope this helps
9/20 because you can divide them in half but you can divide them any further.
The second car will pass the first in 5 hours
Answer:
7ab^2
Step-by-step explanation:
28ab^2-21ab^2=7ab^2
