document.write( "Question 1186912: Solve the system of equations 3x+y=123x+y=12 and -x-4y=29−x−4y=29 by combining the equations. \n" ); document.write( "
Algebra.Com's Answer #817868 by ikleyn(52787)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "As equations are presented in the post, they are UNREADABLE and duplicate each other,\r
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\n" ); document.write( "\n" ); document.write( "so the post is practically unreadable and its meaning is unclear.\r
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