castilloj86
castilloj86
25-08-2014
Mathematics
Answered
simplify the expression:
7x-3(5+x)
Answer :
Lilith
Lilith
25-08-2014
[tex]7x-3(5+x)=7x-3\cdot 5-3\cdot x=7x-15-3 x=4x-15[/tex]
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