document.write( "Question 891411: solve by elimination 4x-y=36, 9y=4x-68 \n" ); document.write( "
Algebra.Com's Answer #539745 by josgarithmetic(39617)\"\" \"About 
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Put both into standard form.
\n" ); document.write( "4x-y=36, 9y=4x-68\r
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\n" ); document.write( "4x-y=36
\n" ); document.write( "-4x-9y=-68
\n" ); document.write( "------------------\r
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\n" ); document.write( "\n" ); document.write( "Add corresponding members to eliminate x.
\n" ); document.write( "\"8y=36%2B%28-68%29\"
\n" ); document.write( "\"8y=-32\"
\n" ); document.write( "\"highlight%28y=-4%29\"\r
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\n" ); document.write( "\n" ); document.write( "Multiply the first equation by 9 and multiply the second equation by -1.
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\n" ); document.write( "36x-9y=36*9
\n" ); document.write( "4x+9y=68
\n" ); document.write( "----------------\r
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\n" ); document.write( "\n" ); document.write( "Add corresponding members to eliminate y.
\n" ); document.write( "\"40x=36%2A9%2B68=360-36%2B68\"
\n" ); document.write( "\"40x=360%2B32\"
\n" ); document.write( "\"40x=392\"
\n" ); document.write( "\"highlight%28x=9.8%29\"
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