document.write( "Question 1061810: 4x+7y=29
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document.write( "5x+8y=34
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document.write( "Elimination method \n" );
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Algebra.Com's Answer #676560 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 4x+7y=29 \n" ); document.write( "5x+8y=34; multiply top by -5 and bottom by 4 to eliminate the x \n" ); document.write( "-20x-35y=-145 \n" ); document.write( "20x+32y=136 \n" ); document.write( "-3y=-9, adding \n" ); document.write( "y=3 \n" ); document.write( "substitute into the first for x \n" ); document.write( "4x+7(3)=29 \n" ); document.write( "4x=8 \n" ); document.write( "x=2 \n" ); document.write( "(2,3) \n" ); document.write( "Check in the second \n" ); document.write( "5(2)+8(3)=34 checks. \n" ); document.write( " |