High School

For questions 11 - 13, match the real-life problem with the correct equation.

A) \( x + 15 = 7 \)
B) \( 15 - x = 7 \)
C) \( 15 + 7 = x \)

11) You own 15 DVDs. You buy 7 more. How many DVDs do you own now?

12) There are 15 members of a high school band brass section. After graduation, there are only 7 members. How many members graduated?

13) The temperature rose 15 degrees to 7°F. What was the original temperature?

Answer :

Answer:

11) 15 + 7 = x

12) 15 - x = 7

13) x + 15 = 7

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