document.write( "Question 739706: solve using the substitution method\r
\n" ); document.write( "\n" ); document.write( "p+5q-8=0
\n" ); document.write( "5p-q-2+0
\n" ); document.write( "

Algebra.Com's Answer #451301 by checkley79(3341)\"\" \"About 
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p+5q-8=0 OR p=8-5q
\n" ); document.write( "5p-q-2+0
\n" ); document.write( "5(8-5q)-q-2=0
\n" ); document.write( "40-25q-q-2=0
\n" ); document.write( "-26q=-40+2
\n" ); document.write( "-26q=-38
\n" ); document.write( "q=-38/-26
\n" ); document.write( "q=19/13 ans.
\n" ); document.write( "p=8-5(19/13)
\n" ); document.write( "p=8-95/13
\n" ); document.write( "p=(8*13-95)/13
\n" ); document.write( "p=(104-95)/13
\n" ); document.write( "p=9/13 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "5*9/13-19/13-2=0
\n" ); document.write( "45/13-19/13-2=0
\n" ); document.write( "26/13-2=0
\n" ); document.write( "2-2=0
\n" ); document.write( "0=0
\n" ); document.write( "
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