document.write( "Question 343378: x=y-2z
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document.write( "2y=x+3z+1
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document.write( "z=2y-2x-3
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document.write( "use substitution method pls \n" );
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Algebra.Com's Answer #245699 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Only certain cases of 3 equations with three \n" ); document.write( "variables can be solved by substitution. \n" ); document.write( "Your problem is not one of those cases. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |