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Mathematics 7 Online
OpenStudy (anonymous):

Solve the system using elimination. 3x + 3y = –9 3x – 3y = 21

OpenStudy (anonymous):

Ok do you know what elimination method is?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

:p let me explain

OpenStudy (anonymous):

Given any two equations you can add or subtract them from each other in varying multiples to try and cancel out one of the variables

OpenStudy (anonymous):

x=2 y=-5

OpenStudy (anonymous):

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