document.write( "Question 176174: Please help I believe these problems fall into the above catagory.
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document.write( "4. 7x – 2y = 8\r
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document.write( "-14x + 4y = 8\r
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document.write( "5. 7x – 2y = 8\r
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document.write( "-14x + 4y = -16\r
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document.write( " Solve the inequality:\r
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document.write( "3x – 2.5y = 7.125\r
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document.write( "2.5x - 3y = 7.3125\r
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Algebra.Com's Answer #131294 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! 1. \n" ); document.write( "2. \n" ); document.write( "Double eq.1 and add to eq. 2 to get rid of x. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Inconsistent system, there is no solution. \n" ); document.write( "These are two parallel lines that never meet, hence no solution. \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "3. \n" ); document.write( "4. \n" ); document.write( "Double eq.3 and add to eq. 4 to get rid of x. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Consistent, dependent system, there are infinite solutions. \n" ); document.write( "These two lines are actually the same line. So all of the points on the line solve this system of equations. \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "5. \n" ); document.write( "6. \n" ); document.write( "Let's multiply eq. 5 by 5 and eq. 6 by 3,then subtract to get rid of x. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Change both left and right hand sides to a fractions before continuing, \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "From eq. 6, \n" ); document.write( "6. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Common denominator is 112. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "or approximately, \n" ); document.write( "x=-.89 \n" ); document.write( "y=-3.91 \n" ); document.write( " |