50.0% complete This is a Single Choice Question; skip ahead to question content A B C D E Confirm Customers at your store select their groceries from shelves and then pay. Sales records and records of restocks for Flaming Roast Coffee (1 lb size) are as follows: Number of bags Tue Wed Thu Fri Sat Sun Mon Sales 5 8 2 19 22 15 3 Restock 6 12 12 18 24 0 0 What is the net change in how many bags are on the shelf, from the beginning of Tuesday to the end of Monday?

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11