
Gwen R. answered 03/13/15
Tutor
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I like to see the lights go on! All ages, math, science, reading, ACT.
3n -21 +4n+8 Distributive Property
7n-13 Combine like terms
Gwen R. answered 03/13/15
I like to see the lights go on! All ages, math, science, reading, ACT.
Eric M. answered 03/13/15
Chemistry, Mathematics, Physical Sciences, Writing...take your pick!
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