document.write( "Question 368532: Solve by using the substitution method and show your work\r
\n" ); document.write( "\n" ); document.write( "-9x + 6y =3
\n" ); document.write( "18x + 30y = 1
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Algebra.Com's Answer #262610 by Fombitz(32388)\"\" \"About 
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1.\"-9x+%2B+6y+=3\"
\n" ); document.write( "2.\"18x+%2B+30y+=+1\"
\n" ); document.write( "From eq. 1,
\n" ); document.write( "\"-9x=-6y%2B3\"
\n" ); document.write( "\"18x=12y-6\"
\n" ); document.write( "Substitute into eq. 2,
\n" ); document.write( "\"12y-6%2B30y=1\"
\n" ); document.write( "\"42y=7\"
\n" ); document.write( "\"highlight%28y=1%2F6%29\"
\n" ); document.write( "Then from eq. 1,
\n" ); document.write( "\"-9x%2B1=3\"
\n" ); document.write( "\"-9x=2\"
\n" ); document.write( "\"highlight%28x=-2%2F9%29\"
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