Question

Liliana and Marcus are playing a word game. Liliana spells a word incorrectly and loses 18 points. Then Marcus spells a word correctly and has the opposite score. Which is the correct way to represent “the opposite of Liliana’s score is equal to Marcus’s score”?

Answer 1

The correct way to represent "the opposite of Liliana's score is equal to Marcus's score" is:

(-18) = 18