What is work shown for 4n - 9 = -9

you show the steps for how u got to your answer

Step-by-step explanation:

4n-9=-9

4n-9+9=-9+9

4n=0

4n/4=0/4

n=0

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

read more on -

step-by-step explanation:

step-by-step explanation: