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Mathematics 18 Online
OpenStudy (anonymous):

solve by elimination 5x=-7y 3x-7y=-64

OpenStudy (anonymous):

wait...im lost can you explain?

OpenStudy (anonymous):

ok u added b/c the 7's would cancel out right?

OpenStudy (anonymous):

ok thats's the part i didn't understand

OpenStudy (anonymous):

thanks =)

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