document.write( "Question 1086832: 4ax+by=11ab
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document.write( "8ax-5by=ab
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document.write( "Solve for x and y \n" );
document.write( "
Algebra.Com's Answer #701058 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 4ax+by=11ab \n" ); document.write( "8ax-5by=ab \n" ); document.write( "88ax-55by=11ab \n" ); document.write( "-4ax-by=-11ab, multiplying the first by -1 \n" ); document.write( "84ax-56by=0 \n" ); document.write( "84ax=56by \n" ); document.write( "3ax=2by \n" ); document.write( "y=3ax/2b \n" ); document.write( "x=(2/3)(by/a) or y=2by/3a \n" ); document.write( "================= \n" ); document.write( "Let x=2 and y=3 \n" ); document.write( "8a+3b=66 \n" ); document.write( "16a-15b=6 \n" ); document.write( "-16a-6b=-132 \n" ); document.write( "-21b=-126 \n" ); document.write( "b=6 \n" ); document.write( "8a+18=66 \n" ); document.write( "a=6 \n" ); document.write( "checks with second equation. \n" ); document.write( "since a and b are equal, y=3 \n" ); document.write( " \n" ); document.write( " |