document.write( "Question 984514: System of equations with three variables. Need help to reduce equations (lose fractions) and follow systems of three linear equations. Direction on how to do so would be great so I can complete other similar questions. Thank you \r
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document.write( "[3(x+6/5)+y/2+2z=25\r
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document.write( "x/2+5y-2/4+z=17\r
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document.write( "x-(2(y-1/7)-3z=-22\r
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document.write( "Solve following system equations with three linear equations.
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document.write( "Thank you \n" );
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Algebra.Com's Answer #605450 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! try to simplify each and get rid of the denominators \n" ); document.write( "3(x+ \n" ); document.write( "distribute \n" ); document.write( "3x+ \n" ); document.write( "Multiply equation by 10, cancel the denominators \n" ); document.write( "10(3x) + 2(18) + 5y + 10(2z) = 10(25) \n" ); document.write( "30x + 36 + 5y + 20z = 250 \n" ); document.write( "30x + 5y + 20z = 250 - 36 \n" ); document.write( "30x + 5y + 20z = 214 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "reduce fraction \n" ); document.write( " \n" ); document.write( "multiply by 2 \n" ); document.write( "x + 2(5y) - 1 + 2z = 2(17) \n" ); document.write( "x + 10y + 2z = 34 + 1 \n" ); document.write( "x + 10y + 2z = 35 \n" ); document.write( ": \n" ); document.write( "x-(2(y- \n" ); document.write( "Distribute \n" ); document.write( "x-(2y - \n" ); document.write( "minus a minus is a plus \n" ); document.write( "x - 2y + \n" ); document.write( "multiply equation by 7 \n" ); document.write( "7x - 7(2y) + 2 - 7(3z) = 7(-22) \n" ); document.write( "7x - 14y - 21z = -154 - 2 \n" ); document.write( "7x - 14y - 21z = -156 \n" ); document.write( ": \n" ); document.write( "This is how you simplify the equations, but I checked the solutions using the matrix feature on my Ti83 and none of the solutions are integers, either I made a mistake here or something is wrong with the problem. CK ankor@att.net \n" ); document.write( " \n" ); document.write( " |