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OpenStudy (anonymous):
(m-3n+1) -(-3n-4) what is the difference?
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OpenStudy (jackellyn):
Distribute the -1 into the right part m-3n+1 -(-3n) - (-4) m-3n +1 +3n +4 Collect like terms and that will give you the difference.
OpenStudy (radar):
m-3n+1 3n +4 after distributing the minus sign ---------- m + 5 that makes a difference.
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