5. Solve the system of equations by substitution. Show the work that would correspond with the substitution method like in your RSGs.
Sy = -2x - 5
(5x - 2y = 19

(1,-7)

(0,-5)

(-5,0)

(-7,1)

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step-by-step explanation:

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

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step-by-step explanation:

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