castilloj86
castilloj86
26-08-2014
Mathematics
contestada
simplify the expression:
7x-3(5+x)
Respuesta :
Lilith
Lilith
26-08-2014
[tex]7x-3(5+x)=7x-3\cdot 5-3\cdot x=7x-15-3 x=4x-15[/tex]
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