Answer:
(a-z)/z = m
Step-by-step explanation:
a = zm+z
Subtract z from each side
a-z = mz+z-z
a-z = mz
Divide by z
(a-z) /z = mz/z
−5 1/5÷(2/3)≈-7.8
Answer: x=-5 and y=6
Step-by-step explanation: i hope i did it right tell if i didnt