document.write( "Question 780909: Consider the following system of equations.
\n" ); document.write( "4x+y+z+w=6
\n" ); document.write( "3x+7y-z+w=1
\n" ); document.write( "7x+3y-5z+8w=-3
\n" ); document.write( "x+y+z+2w=3
\n" ); document.write( "Solve the system by Cramer's Rule & Gauss-Jordan elimination.
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Algebra.Com's Answer #475929 by psbhowmick(878)\"\" \"About 
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