document.write( "Question 902108: hope you can help\r
\n" ); document.write( "\n" ); document.write( "i₁ + 8i₂ +3i₃ =-31
\n" ); document.write( "3i₁ - 2i₂ + i₃ =-5
\n" ); document.write( "2i₁ - 3i₂ + 2i₃ = 6\r
\n" ); document.write( "\n" ); document.write( " solve for i₁, i₂,i₃\r
\n" ); document.write( "\n" ); document.write( "Thanks
\n" ); document.write( "

Algebra.Com's Answer #547088 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Use Cramer's rule.
\n" ); document.write( "\"A=%28matrix%283%2C3%2C1%2C8%2C3%2C3%2C-2%2C1%2C2%2C-3%2C2%29%29\"
\n" ); document.write( "\"abs%28A%29=-48\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( "\"A%5B1%5D=%28matrix%283%2C3%2C-31%2C8%2C3%2C+-5%2C-2%2C1+%2C6%2C-3%2C2%29%29\"
\n" ); document.write( "\"abs%28A%5B1%5D%29+=240\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"A%5B2%5D=%28matrix%283%2C3%2C1%2C-31%2C3%2C++3%2C-5%2C1+%2C2%2C6%2C2%29%29\"
\n" ); document.write( "\"abs%28A%5B2%5D%29++=192\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"A%5B3%5D=%28matrix%283%2C3%2C1%2C8%2C-31%2C++3%2C-2%2C-5%2C2%2C-3%2C6%29%29\"
\n" ); document.write( "\"abs%28A%5B3%5D%29++=-96\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"i%5B1%5D=abs%28A%5B1%5D%29%2Fabs%28A%29\"
\n" ); document.write( "\"i%5B1%5D=240%2F%28-48%29\"
\n" ); document.write( "\"i%5B1%5D=-5\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"i%5B2%5D=abs%28A%5B1%5D%29%2Fabs%28A%29\"
\n" ); document.write( "\"i%5B2%5D=192%2F%28-48%29\"
\n" ); document.write( "\"i%5B2%5D=-4\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"i%5B3%5D=abs%28A%5B1%5D%29%2Fabs%28A%29\"
\n" ); document.write( "\"i%5B3%5D=%28-96%29%2F%28-48%29\"
\n" ); document.write( "\"i%5B3%5D=2\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "
\n" );