Answer:
5, 7
Step-by-step explanation:
Ax + by = 8
Subtract ax from both sides.
by = 8 - ax
Divide both sides by y.
b = (8-ax)/y
She had 8 but he ate 5 so: 8 minus 5: 8-5.
Subtract: 8-5=3
She has 3 cookies left ((and zero friends XD )) :)
b – 2a – c
a = –7
b = 3
c = –7
3-2 (-7)-(-7)
3+14+7
17+7=24