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(-12) - x = 9 how does this work?

(-12) - x = 9 how does this work?
asked 199k views
5 votes
(-12) - x = 9
how does this work?

asked
User Ruanny
by
8.4k points

2 Answers

4 votes
=-21 that’s how it works cause we learned this in class today
answered
User Vimal Thilak
by
8.3k points
4 votes
-12 - x = 9
Add both sides by 12
-x = 21
Multiply both sides by -1
x = -21

That's your answer. Have an awesome day! :)

From your friendly Helper-in-Training, collinjun0827
answered
User Tehdrew
by
8.5k points
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