document.write( "Question 777992: solve the system of equations\r
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document.write( "3x+2y=12
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document.write( "4X-3y=9
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Algebra.Com's Answer #474376 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 3x+2y=12 \n" ); document.write( "4X-3y=9 \n" ); document.write( "------ \n" ); document.write( "Multiply thru the top equation by 3 \n" ); document.write( "Multiply thru the bottom equation by 2 \n" ); document.write( "---------- \n" ); document.write( "9x + 6y = 36 \n" ); document.write( "8x - 6y = 18 \n" ); document.write( "------------------- \n" ); document.write( "Add and solve for \"x\"; \n" ); document.write( "17x = 54 \n" ); document.write( "x = 3.1765 \n" ); document.write( "------ \n" ); document.write( "Solve for \"y\": \n" ); document.write( " 3x + 2y = 12 \n" ); document.write( "3(54/17) + 2y = 12 \n" ); document.write( "---------- \n" ); document.write( "(108/17) + 2y = (204/17) \n" ); document.write( "2y = 96/17 \n" ); document.write( "y = 48/17 = 2.8235 \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |