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Mathematics 21 Online
OpenStudy (anonymous):

Elimination problem HELP PLEASEEE! SOLVE EACH SYSTEM BY ELIMINATION -5x+4y+3z=11 -6x+5y-4z=5 -5x+5y-5z=0

OpenStudy (anonymous):

please help me-.- ive done EVERTHING I COULD TO GET THE RIGHT ANSWER BUT I NEVER DO. (I KNOW WHAT THE RIGHT ANSWER IS) I JUST CANT DO IT

OpenStudy (anonymous):

here is a link to the first one for u http://www.wolframalpha.com/input/?i=-5x%2B4y%2B3z%3D11 this website can help you alot on ? like that

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