document.write( "Question 999381: How would you solve the 4x4 w+x+y+z=2, 2w-x-y+2z=7, 2w+3x+2y-z=-2, 3w-2x-y-3z=-2 \n" ); document.write( "
Algebra.Com's Answer #617406 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Use Cramer's rule,
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\n" ); document.write( "\"abs%28A%5Bw%5D%29=27+\"
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\n" ); document.write( "\"abs%28A%5Bx%5D%29=-108+\"
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\n" ); document.write( "\"abs%28A%5By%5D%29=117+\"
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\n" ); document.write( "\"abs%28A%5Bz%5D%29=-54+\"
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\n" ); document.write( "\"w=abs%28A%5Bw%5D%29%2Fabs%28A%29=27%2F%28-9%29=-3\"
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\n" ); document.write( "\"x=abs%28A%5Bx%5D%29%2Fabs%28A%29=%28-108%29%2F%28-9%29=12\"
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\n" ); document.write( "\"y=abs%28A%5By%5D%29%2Fabs%28A%29=117%2F%28-9%29=13\"
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\n" ); document.write( "\"z=abs%28A%5Bz%5D%29%2Fabs%28A%29=%28-54%29%2F%28-9%29=6\"
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