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(-12) - x = 9 how does this work?
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Sep 5, 2018
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(-12) - x = 9
how does this work?
Mathematics
middle-school
Ruanny
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=-21 that’s how it works cause we learned this in class today
Vimal Thilak
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Sep 6, 2018
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Vimal Thilak
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4
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-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
Tehdrew
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Sep 10, 2018
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