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My teacher marked this wrong on my test, but I don't know where I messed up!
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1 vote
My teacher marked this wrong on my test, but I don't know where I messed up!

My teacher marked this wrong on my test, but I don't know where I messed up!-example-1
User Astudentofmaths
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7.7k points

2 Answers

5 votes
You had to simplify the equation. You a can simplify by doing
-15+(-4)= -11
-17= -11
User LeJeune
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8.1k points
1 vote
I believe the answer was -19. Even though there is the parentheses, the -4 is still the same. So you would add -4 to -15 and the answer would be -19 I guess.

Hope this helped! :)
User Chirag Nagpal
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8.0k points
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