document.write( "Question 289932: I need a rudimentary break down of 3x3 equations. I just can't figure it ot and need a step by step break down.
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document.write( "3x+2y+2z=2
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document.write( "x-2y-z=1
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document.write( "2x-3y-3z=-3 \n" );
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Algebra.Com's Answer #209912 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x=0,y=-2,z=3 \n" ); document.write( "add #2 and #3 \n" ); document.write( "subtract that result from #1 \n" ); document.write( "you should now have just y and z in that equation \n" ); document.write( "multiply #2 by-2 \n" ); document.write( "add that to #3 \n" ); document.write( "you should have another with just y and z \n" ); document.write( "now you should be able to solve those two for y and z \n" ); document.write( " \n" ); document.write( " |