Answer:
a
Step-by-step explanation:
a
Answer:
x=-28
Step-by-step explanation:
2x-3x=-1x so if -1x=28 divide both sides by -1 so x= -28
Answer: x= -9 y= 3
Step-by-step explanation:
albums: 15*7 = 105 cards
packages : 8*13 = 104 cards
extra cards 10
total cards =albums+ packages + extra cards
= 105+ 104 + 10
219 cards