Devi75
Devi75 Devi75
  • 11-01-2017
  • Mathematics
contestada

7-x=21. help ????????????

Respuesta :

2121bmoon
2121bmoon 2121bmoon
  • 11-01-2017
x=-14
do you want an explanation 
Answer Link
Helpmeplease1749 Helpmeplease1749
  • 11-01-2017
Ignore the work
The answer is -14

7-x= 21
-7 -7
-x= 14
_ _
- -
X= -14
Answer Link

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