document.write( "Question 947694: Solve the system of THREE Equations\r
\n" ); document.write( "\n" ); document.write( "4x+y+2z = 10
\n" ); document.write( "y = x-1
\n" ); document.write( "x=5\r
\n" ); document.write( "\n" ); document.write( "Thanks
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Algebra.Com's Answer #578322 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Solve the system of THREE Equations\r
\n" ); document.write( "\n" ); document.write( "4x+y+2z = 10
\n" ); document.write( "y = x-1
\n" ); document.write( "x=5
\n" ); document.write( "---------------
\n" ); document.write( "Sub for x in the middle equation to find y.
\n" ); document.write( "Sub for x and y in the 1st eqn to find z.
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