sonyadmorris
sonyadmorris
19-07-2016
Mathematics
contestada
linear pair (x-39) + (x+61)
Respuesta :
dalendrk
dalendrk
19-07-2016
(x - 39) + (x + 61) = x - 39 + x + 61 = (x + x) + (-39 + 61) = 2x + 22
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