Shane bought lunch for $5.38 and a shirt for $15.95. he then used the rest of his money to buy a book. he spent a total of $38.12. how much money did shane spend on the book?
$10.57
$16.79
$22.17
$32.74

d

step-by-step explanation:

d

26?

step-by-step explanation:

answer: asdfghjkl,mnbv

step-by-step explanation:

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