document.write( "Question 698281: the sum of two numbers is 143. Their difference is 136 less than the sum. What are the two numbers? \n" ); document.write( "
Algebra.Com's Answer #430679 by Stitch(470)\"\" \"About 
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Equation 1: \"A+%2B+B+=+143\"
\n" ); document.write( "Equation 2: \"A+-+B+%2B+136+=+143\"
\n" ); document.write( "Solve equation 1 for one of the variables
\n" ); document.write( "Equation 1: \"A+%2B+B+=+143\"
\n" ); document.write( "\"A+=+143+-+B\"
\n" ); document.write( "Plug (143 - B) into equation 2 for A
\n" ); document.write( "Equation 2: \"A+-+B+%2B+136+=+143\"
\n" ); document.write( "\"%28143+-+B%29+-+B+%2B+136+=+143\"
\n" ); document.write( "Combine like terms
\n" ); document.write( "\"279+-+2B+=+143\"
\n" ); document.write( "Add 2B to both sides
\n" ); document.write( "\"279+=+143+%2B+2B\"
\n" ); document.write( "Subtract 143 from both sides
\n" ); document.write( "\"136+=+2B\"
\n" ); document.write( "Divide both sides by 2
\n" ); document.write( "\"highlight%2868+=+B%29\"
\n" ); document.write( "Plug 68 into equation 1 for B
\n" ); document.write( "Equation 1: \"A+%2B+B+=+143\"
\n" ); document.write( "\"A+%2B+%2868%29+=+143\"
\n" ); document.write( "Subtract 68 from both sides
\n" ); document.write( "\"highlight_green%28A+=+75%29\"
\n" ); document.write( "
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