sweetsan2005200
sweetsan2005200
19-12-2017
Mathematics
contestada
adding &subtracting x-60=20
Respuesta :
hackermcpe
hackermcpe
19-12-2017
Just add to find X
20 + 60 = 80
-------------------------------------
X = 80
To make sure plug it in
80 - 60 = 20
The equation is true
-----------------------------------------------
x = 80
is your answer
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