You and your brother collect baseball cards. He has 15 more cards in his collection than you have. Expression Information.

x+15

Step-by-step explanation:

X stands for the number of cards the one person represent add 15 to the whatever number of cards you have.

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5

7

step-by-step explanation:

the answer would be 7