document.write( "Question 1081779: regla de cramer
\n" ); document.write( " 𝑥 + 𝑦 + 𝑧 − 𝑤 = 2
\n" ); document.write( "2𝑥 − 𝑦 +𝑧 +5𝑤 = 9
\n" ); document.write( "3𝑥 + 𝑦 +𝑧 −2𝑤 = 1
\n" ); document.write( "2𝑥 + 2𝑦 +4𝑧 + 6𝑤 = 2 \n" ); document.write( "
Algebra.Com's Answer #695820 by ikleyn(52855)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "It is a kind of torture to solve it \"by hands\".\r
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