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OpenStudy (anonymous):
Simplify (7x) - (-2x).
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OpenStudy (anonymous):
7x + 2x 9x <<< answer
pooja195 (pooja195):
A neg and a neg make a positive so 7x+2x=?
OpenStudy (haseeb96):
when - minus sign will multiply with -sign you will get + sign so same we do above
OpenStudy (haseeb96):
7x +2x now just add them and you will get 9x
OpenStudy (anonymous):
oh so this is when you do that
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pooja195 (pooja195):
yes :)
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