destinystanley796 destinystanley796
  • 24-12-2017
  • Mathematics
contestada

The sum of two numbers is 161​, while the difference of the two numbers is 23. what are the two​ numbers?

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ElenaClaudia
ElenaClaudia ElenaClaudia
  • 26-12-2017
we call : a, b - the numbers 

a + b = 161

a - b = 23  ⇒  a = 23 + b 


23 + b + b = 161

2b + 23 = 161

2b = 161 - 23

2b = 138                       a = 23 + b

b = 138 : 2                    a = 23 + 69

b = 69                           a = 92
Answer Link
Аноним Аноним
  • 26-12-2017
a+b=161 +
a -b= 23
________
2a = 184
a = 92
b = 161 -92
b = 69
Answer Link

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