document.write( "Question 165490: 2y - x =3
\n" ); document.write( "x = 3y – 5\r
\n" ); document.write( "\n" ); document.write( "Solve by substitution method.
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Algebra.Com's Answer #121974 by KnightOwlTutor(293)\"\" \"About 
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2y - x =3
\n" ); document.write( "x = 3y – 5\r
\n" ); document.write( "\n" ); document.write( "Replace x in the first equation with 3y-5\r
\n" ); document.write( "\n" ); document.write( "2y-(3y-5)=3\r
\n" ); document.write( "\n" ); document.write( "2y-3y+5=3\r
\n" ); document.write( "\n" ); document.write( "-y+5=3\r
\n" ); document.write( "\n" ); document.write( "Subtract 5 from both sides\r
\n" ); document.write( "\n" ); document.write( "-y=-2\r
\n" ); document.write( "\n" ); document.write( "Divide both sides by -1\r
\n" ); document.write( "\n" ); document.write( "y=2\r
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\n" ); document.write( "\n" ); document.write( "x=3(2)-5
\n" ); document.write( "x=1\r
\n" ); document.write( "\n" ); document.write( "Let's test our answer 2(2)-1=3\r
\n" ); document.write( "\n" ); document.write( "4-1=3\r
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