Question

Danny and Carly like to work on jigsaw puzzles. Danny has two puzzles. If together they have 9 puzzles, then we can use the equation x+ 2 = 9 to determine how many puzzles Carly has. How many puzzles does Carly have?

Answer 1

Carly has 7 puzzles.

Explanation:

x+2=9

9-2=x

9-2=7

Answer 2

х - has Danny
2 - has Carly
--------------------------
9 - have together

x + 2 = 9
x = 9 - 2
x = 7 - has Carly.