celestmendoza
celestmendoza
23-06-2016
Mathematics
contestada
4x – (6 – x) = 12 + 4x
Respuesta :
Bubba
Bubba
23-06-2016
4x - (6-x) = 12 + 4x
4x - 6 + x = 12 + 4x
5x - 6 = 12 + 4x
5x - 4x = 12 + 6
x = 12 + 6
x = 18
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