document.write( "Question 178349: I cannot remeber how to solve equation with 3 variables. the problems are 6x+3y=12z
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document.write( "(2x+y)/4=z. I just had this last semester but didn't keep any of my work. This is for an astronomy paper that is due monday. will you help me please? \n" );
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Algebra.Com's Answer #133332 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! in general; to solve for three variables, you need three independent equations\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substitution and/or elimination are the most straight forward methods\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "it can also be done with matrices, using Cramer's Rule\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the two equations you have are NOT independent \n" ); document.write( "__ multiplying the 2nd equation by 12 gives the 1st equation \n" ); document.write( " |