Kensi and Kyle go grocery shopping together. On the way back home, while struggling with her bags, Kensi says "Hey, if you gave me a bag, I would hold twice as much as you carry. But if I gave you one of mine, we would be carrying the same amount!" How many bags is Kyle carrying?
k +1 = 2(y-1)
k-1 = y+1 k = kensi y = k y le
from second equation:
k = y+2 sub into first eqaution
y+2 +1 = 2y- 2
y = 5 (then k=7)