document.write( "Question 596082: Solve by elimination method:
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document.write( "3x-2y=20
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document.write( "and
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document.write( "2x+3y=-4 \n" );
document.write( "
Algebra.Com's Answer #377493 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve by elimination method: \n" ); document.write( "3x-2y=20 \n" ); document.write( "and \n" ); document.write( "2x+3y=-4 \n" ); document.write( "----------- \n" ); document.write( "Multiply thru the 1st by 2. \n" ); document.write( "Multiply thru the 2nd by 3. \n" ); document.write( "------------------------- \n" ); document.write( "6x - 4y = 40 \n" ); document.write( "6x + 9y = -12 \n" ); document.write( "----------- \n" ); document.write( "Subtract and solve for \"y\": \n" ); document.write( "13y = -52 \n" ); document.write( "y = -4 \n" ); document.write( "------ \n" ); document.write( "Solve for \"x\": \n" ); document.write( "---------- \n" ); document.write( "2x+3y = -4 \n" ); document.write( "2x -12 = -4 \n" ); document.write( "2x = 8 \n" ); document.write( "x = 4 \n" ); document.write( "---- \n" ); document.write( "Solution (4,-4) \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |