document.write( "Question 87071: 3x+2y=13
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document.write( "2x+5y=5 \n" );
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Algebra.Com's Answer #63038 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 3x+2y=13 \n" ); document.write( "2x+5y=5 \n" ); document.write( "------- \n" ); document.write( "If you want to eliminate the x terms, \n" ); document.write( "Multiply the 1st equation by 2 and the 2nd equation by 3 to get: \n" ); document.write( "-------------- \n" ); document.write( "6x+4y=26 \n" ); document.write( "6x+15y=15 \n" ); document.write( "--------- \n" ); document.write( "Subtract the 1st from the 2nd and solve for y: \n" ); document.write( "11y=-11 \n" ); document.write( "y=-1 \n" ); document.write( "--------- \n" ); document.write( "Substitute to solve for x: \n" ); document.write( "3x+2*-1 = 13 \n" ); document.write( "3x-2=13 \n" ); document.write( "3x=15 \n" ); document.write( "x=5 \n" ); document.write( "-------- \n" ); document.write( "Check your answer in the other equation:2x+5y=5\r \n" ); document.write( "\n" ); document.write( "2*5+5*-1 = 5 \n" ); document.write( "10-5=5 \n" ); document.write( "5=5 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |