document.write( "Question 1049758: solve using cramer rule :- 3x+2y+4z=19 2x-y+z=3 6x+7y-z=7
\n" ); document.write( "x-y+2z=1 x+y+z=2 2x-y+z=5
\n" ); document.write( "3x-2y+z=-1 -x+y+7z=1 4x-3y-2z=-2 \n" ); document.write( "

Algebra.Com's Answer #665333 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "Hey,\r
\n" ); document.write( "\n" ); document.write( "will you become more happy, or will you become more knowledgeable if I (or somebody else) solve it for you?\r
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\n" ); document.write( "\n" ); document.write( "I don't think so.\r
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\n" ); document.write( "\n" ); document.write( "I will give you a better advise.\r
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document.write( "1. Learn about the Cramer's method, for example, from these lessons\r\n" );
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document.write( "       - Determinant of a 3x3 matrix \r\n" );
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document.write( "       - Co-factoring the determinant of a 3x3 matrix \r\n" );
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document.write( "       - HOW TO solve system of linear equations in three unknowns using determinant (Cramer's rule)\r\n" );
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document.write( "       - Solving systems of linear equations in three unknowns using determinant (Cramer's rule)\r\n" );
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document.write( "   in this site.\r\n" );
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document.write( "2. If calculating the 3x3 determinants is too boring for you (it is really boring, I agree) then find free of charge online solvers for it.\r\n" );
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document.write( "   Such free of charge online solvers do exist.\r\n" );
document.write( "   For example, one of them is under this link\r\n" );
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document.write( "   https://www.algebra.com/algebra/homework/Matrices-and-determiminant/determinant-of-3x3-matrix.solver\r\n" );
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