document.write( "Question 191406This question is from textbook algebra 1
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document.write( ": Back again with some homework!\r
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document.write( "I'm stuck on two problems in one section, ive been able to do the questions up until this question particularly:\r
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document.write( "{ 2x-3/4y=17
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document.write( "{ -3x-5/8y=-11\r
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document.write( "i tried using elimination to find the answer but nothing i get seems right. if someone could explain HOW to solve it it would be a major major help! \n" );
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Algebra.Com's Answer #143639 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 2x-3/4y=17 \n" ); document.write( "-3x-5/8y=-11 \n" ); document.write( "---------------------- \n" ); document.write( "1st: get rid of the fractions: \n" ); document.write( " 8x - 3y = 68 \n" ); document.write( "-24x - 5y = -88 \n" ); document.write( "----------------------- \n" ); document.write( "2nd: Multiply thru the 1st equation to set up the system for elimination: \n" ); document.write( "24x - 9y = 204 \n" ); document.write( "-24x - 5y = -88 \n" ); document.write( "---------------------- \n" ); document.write( "3rd: Add and solve for \"y\": \n" ); document.write( "-14y = 116 \n" ); document.write( "y = -58/7 \n" ); document.write( "-------------- \n" ); document.write( "Substitute to solve for \"x\": \n" ); document.write( "8x - 3(-56/7) = 68 \n" ); document.write( "8x + 174/7 = 68 \n" ); document.write( "8x = +302/7 \n" ); document.write( "x = 151/28 \n" ); document.write( "--------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |