document.write( "Question 1090921: How to solve this?
\n" ); document.write( "x+3y-5z=-29
\n" ); document.write( "3y+2z=18
\n" ); document.write( "y=-5x-23
\n" ); document.write( "

Algebra.Com's Answer #705360 by Alan3354(69443)\"\" \"About 
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How to solve this?
\n" ); document.write( "x+3y-5z=-29
\n" ); document.write( "3y+2z=18
\n" ); document.write( "y=-5x-23
\n" ); document.write( "===========
\n" ); document.write( "Since y is defined in Eqn 3, sub for y in the other 2.
\n" ); document.write( "Subbing for y in the 2nd eqn gives an eqn in x.
\n" ); document.write( "solve for x.
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