X+15 = 3x - 7 => 22 = 2x => x=11
What do you need help with
5=(-4)x-2. Hope this helps
Answer: 491 cards
Step-by-step explanation:
Given
Steve had 10 more cards than Jeff
Suppose Jeff has x cards
So, steve has x+10 cards
Steve handover his cards to Jeff
Now, Jeff has x+x+10=2x+10 cards
It must be equal to 992

Jeff started with 491 cards