Answer:
4x-y=-9
Step-by-step explanation:
Paydirt may be the answer
Answer: 13 years
Step-by-step explanation: this is the equation
5000(1+0.035)^n=7800
(a-z)/z = m
a = zm+z
Subtract z from each side
a-z = mz+z-z
a-z = mz
Divide by z
(a-z) /z = mz/z
