document.write( "Question 23794: how do i subtract or add this correctly?
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document.write( "(4/a-5)-(1/5-a)
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document.write( "My answer was 4/a+a-26/5
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document.write( "What is the correct answer?
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document.write( "Thank you so much \n" );
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Algebra.Com's Answer #12551 by stanbon(75887) ![]() You can put this solution on YOUR website! You have to see that -(5-a)=a-5 \n" ); document.write( "If you do you see the denominators \n" ); document.write( "differ only by their sign. \n" ); document.write( "So, rewrite at problem as follows: \n" ); document.write( "4/(a-5)-1/-(a-5) \n" ); document.write( "=4/(a-5)+1/(a-5) \n" ); document.write( "= 5/(a-5)\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |