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Mathematics 11 Online
OpenStudy (anonymous):

Simplify (7x) - (-2x).

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

pooja195 (pooja195):

yes :)

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