curtisforreal1 curtisforreal1
  • 13-10-2017
  • Mathematics
contestada

the sum of two numbers is 18 . the difference of the two numbers is -2 find the numbers

Respuesta :

helenhong helenhong
  • 13-10-2017
a and b is a numbers 
a + b = 18
a - b = -2

2a = 16
a   = 8

8 + b = 18
b = 10 
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