*Simplify product of variable and constant
n x 15= -150

n = -10

Step-by-step explanation:

n x 15= -150

Divide each side by 15

15n /15 = -150/15

n = -10

$  50936

Step-by-step explanation:

Given,

The earning in first year, P = $ 44,000

If the rate of increasing of payment after completing 1 year,

r = 5% = 0.05,

Then, the earning at the beginning of (x-1)th year or after x years,

Hence, if x = 3 years,

Then the earning in beginning of fourth year or after completing 3 years,