Answer:
x = -2, y = -8
Step-by-step explanation:
13(y + 6) - 6y = 22
=> 13y + 78 - 6y = 22
=> 7y = -56
=> y = -8
x = -8 + 6
=> x = -2
$4
12÷4=3
7÷7=1
3+1=4
therefore she spent 4 dollars
5.2692307692307692307692307692308
hope this helps! :)