johniyabrown26
johniyabrown26 johniyabrown26
  • 01-02-2019
  • Mathematics
contestada

If a + b = 28 and a - b = 10, then b =?

Respuesta :

frostwhisker309 frostwhisker309
  • 03-02-2019

Answer:

b=9

Step-by-step explanation:


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