marcy76 marcy76
  • 13-02-2017
  • Mathematics
contestada

If 5 times a number is added to -5 , the result is equal to 10 times the number?

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anthonysilby1
anthonysilby1 anthonysilby1
  • 16-02-2017
5a - 5 = 10a
-5 = 5a
a = -1
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