document.write( "Question 663545: Solve problems with two unknown\r
\n" ); document.write( "\n" ); document.write( "A telephone cable 98 meters in length is cut into two pieces. If one piece is 22 meters longer than the other, how long are the two pieces?\r
\n" ); document.write( "\n" ); document.write( "Thank you.. I want to learn this subject, so I need a clear explanation
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Algebra.Com's Answer #412833 by ReadingBoosters(3246)\"\" \"About 
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The 98 m cable is cut into two pieces:
\n" ); document.write( "let
\n" ); document.write( "x = longer piece
\n" ); document.write( "y = shorter piece
\n" ); document.write( "so
\n" ); document.write( "x = y + 22 (it is 22 m longer)
\n" ); document.write( "x+y = 98 (the total length)
\n" ); document.write( "substitute x into the second equation
\n" ); document.write( "(y+22) + y = 98
\n" ); document.write( "Combine y
\n" ); document.write( "2y + 22 = 98
\n" ); document.write( "Subtract 22 from both sides to isolate y
\n" ); document.write( "2y + 22 - 22 = 98 - 22
\n" ); document.write( "2y = 76
\n" ); document.write( "Divide both sides by 2 to solve for y
\n" ); document.write( "y = 38 m is the length of the shorter piece
\n" ); document.write( "If x = y+22, then x=38+22 = 60m is the length of the longer piece
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\n" ); document.write( "Proof
\n" ); document.write( "60 + 38 = 98\r
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\n" ); document.write( "Delighted to help.
\n" ); document.write( "-Reading Boosters
\n" ); document.write( "Wanting for others what we want for ourselves.
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