Respuesta :
Answer:
Frank has X+45 baseball cards
Step-by-step explanation:
You just add 45 new baseball cards to the ones he had before which is X
Answer:
X + 45
Step-by-step explanation:
Frank has x baseball cards in his collection already .
He got 45 more for his birthday.
The expression becomes the ones he had before the birthday plus the ones he got on his birthday.
He had x before and got 45 on his birthday
So x + 45 is the expression that shows the number of baseball cards Frank has all together.