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Mathematics 15 Online
OpenStudy (anonymous):

3x + 4y - x + 2y

OpenStudy (lgbasallote):

combine like terms... 3x - x + 4y + 2y

OpenStudy (anonymous):

9y

OpenStudy (lgbasallote):

hmmm no...you can only combine terms with the same variables..combine the ones with x; then combine the ones with y separately

OpenStudy (anonymous):

2x+6y=8y

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