emilymchughh
emilymchughh
30-10-2017
Mathematics
contestada
(-12) - x = 9
how does this work?
Respuesta :
Аноним
Аноним
30-10-2017
-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
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menny1
menny1
30-10-2017
=-21 that’s how it works cause we learned this in class today
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