Mrs. Ling baked 5 pies for a bake sale. During the morning, she sold 1 1/2 pies. During the afternoon, she sold 1 3/4
2 answers:
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Answer:
, or in this case,
Step-by-step explanation:
Assuming that Justine's score is represented by and Meagan's score is represented by
, we know that
will always be the opposite of
.
To represent opposite, we put a negative sign before the variable.
This makes the current number, even if it's negative, the opposite value.
Let's test it out.
Since Justine's score is -7, substituting it into the equation makes it . We know that two negatives make a positive, so
.
Now let's assume Justine's score is 7. Plugging it into the equation, we get . That's the same thing as
, and -1 times 7 is -7.
Hope this helped!