document.write( "Question 741629: Solving Rational Expressions:
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document.write( "1.) x/x+3 = 3/19
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document.write( "2.) 35= 8/s + 9
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document.write( "3.) For which value of x does 2x-1/8 = 5x+2/12?\r
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document.write( "If you are insure what I mean by 3/19 and the other problems, I am meaning it looks like a fraction. Please show me the work if you can. I am very confused on these three problems. \n" );
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Algebra.Com's Answer #452107 by rothauserc(4718) You can put this solution on YOUR website! we are asked to solve the following:\r \n" ); document.write( "\n" ); document.write( "Solving Rational Expressions: \n" ); document.write( "1.) x/x+3 = 3/19 \n" ); document.write( "2.) 35= 8/s + 9 \n" ); document.write( "3.) For which value of x does 2x-1/8 = 5x+2/12? \r \n" ); document.write( "\n" ); document.write( "1.) cross multiply the two fractions and we get \n" ); document.write( " 19x = 3*(x+3) \n" ); document.write( " 19x = 3x+9 \n" ); document.write( " 16x = 9 \n" ); document.write( " x = 9/16\r \n" ); document.write( "\n" ); document.write( "2.) multiply both sides of the = by s and we get \n" ); document.write( " 35s = 8 + 9s \n" ); document.write( " 26s = 8 \n" ); document.write( " s = 8/26 = 4/13\r \n" ); document.write( "\n" ); document.write( "3.) note that this problem is better stated with parenthesis which causes us to guess! \n" ); document.write( " subtact 2x from both sides of = sign \n" ); document.write( " -1/8 = 3x + 2/12 \n" ); document.write( " note that 2/12 = 1/6 \n" ); document.write( " -1/8 = 3x + 1/6 \n" ); document.write( " subtract 1/6 from both sides of = sign \n" ); document.write( " -1/8 - 1/6 = 3x \n" ); document.write( " 6*8 = 48 and this becomes our common denominator \n" ); document.write( " -6/48 -8/48 = 3x \n" ); document.write( " -14/48 * 1/3 = x \n" ); document.write( " \n" ); document.write( " |