karennava230 karennava230
  • 23-10-2018
  • Mathematics
contestada

find two numbers a and b whose sum is a+b is -1 and whose difference a-b is 3

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aidenlilley
aidenlilley aidenlilley
  • 24-10-2018
a = 1
b = -2

[tex]a + b = - 1 [/tex]
[tex]1 + \: - 2 = - 1[/tex]
[tex]a - b = 3[/tex]
[tex]1 - - 2 = 3[/tex]
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