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Mathematics 20 Online
OpenStudy (anonymous):

solve the system of equations by graphing: equation (1): 3x+y=-7 equation (2): x+2y=-4

OpenStudy (campbell_st):

go and use geogebra... best free graphing software available on the net. http://www.geogebra.org/cms/ then graph the equations

OpenStudy (anonymous):

You are awesome! Thank you so much!

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