Answer:

Step-by-step explanation:
3--2/-6-1=
3+2/-7
5/-7
Let, the number = x
It would be: x + 15 = 2x - 56
2x - x = 15 + 56
x = 71
In short, Your Answer would be 71
Hope this helps!
Answer:
Nick needs to buy 3 packs.
Step-by-step explanation:
If Nick buys 3 packs he will have 18 cards. If he uses 15 of them he will have 3 left over. If he only bought 2 packs he would be 3 cards short of the amount he really needed.
Answer:
x - 5 = 3x + 1
-6 = 2x
x = -3
Step-by-step explanation: