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12-05-2017
Mathematics

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-a + 1 =15
I solved all the other problems and the only number without and eqaution pair is -14. BUT -14 +1 is -13. AHHH how can -14 + 1= 15 be -a+1= 15. If you can't explain it can you please help me to find -a. Thanks

Respuesta :

12-05-2017

-a + 1 = 15
-a = 15 - 1
-a = 14
( change the signs )
a = -14

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