document.write( "Question 322000: x-5y=-18 and x-7y=6 \n" ); document.write( "
Algebra.Com's Answer #230485 by mananth(16946)\"\" \"About 
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x-5y=-18 and x-7y=6\r
\n" ); document.write( "\n" ); document.write( "subtract the equations
\n" ); document.write( "x-5y-x+7y=-18-6
\n" ); document.write( "+2y=-24
\n" ); document.write( "y=-12
\n" ); document.write( "..
\n" ); document.write( "x-5y=-18
\n" ); document.write( "plug the value of y
\n" ); document.write( "x+60=-18
\n" ); document.write( "x=-78
\n" ); document.write( "
\n" );