document.write( "Question 526397: T is the midpoint of line PQ
\n" ); document.write( "PT=5x+3 and TQ=7x-7
\n" ); document.write( "What is PT?
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Algebra.Com's Answer #348503 by ankor@dixie-net.com(22740)\"\" \"About 
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T is the midpoint of line PQ
\n" ); document.write( "therefore
\n" ); document.write( "5x+3 = 7x-7
\n" ); document.write( "3 + 7 = 7x - 5x
\n" ); document.write( "10 = 2x
\n" ); document.write( "x = 5
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\n" ); document.write( "What is PT?
\n" ); document.write( "PT = 5x + 3
\n" ); document.write( "PT = 5(5) + 3
\n" ); document.write( "Pt = 28
\n" ); document.write( ":
\n" ); document.write( "Check by finding TQ
\n" ); document.write( "TQ = 7x-7
\n" ); document.write( "TQ = 7(5) - 7
\n" ); document.write( "TQ = 35 - 7
\n" ); document.write( "TQ = 28 also as you would expect
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