document.write( "Question 695383: Solve the following systems of equation by substitution:\r
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\n" ); document.write( "\n" ); document.write( "4. x=2y
\n" ); document.write( " 3x-2y=24\r
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Algebra.Com's Answer #428459 by mananth(16946)\"\" \"About 
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4. x=2y
\n" ); document.write( " 3x-2y=24\r
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\n" ); document.write( "\n" ); document.write( "4x=2y
\n" ); document.write( "divide by 2
\n" ); document.write( "y=2x\r
\n" ); document.write( "\n" ); document.write( "substitute y in second equation
\n" ); document.write( "3x-2(2x)=24
\n" ); document.write( "3x-4x=24
\n" ); document.write( "-x=24
\n" ); document.write( "x=-24\r
\n" ); document.write( "\n" ); document.write( "plug x in first equation
\n" ); document.write( "4x=2y
\n" ); document.write( "4(-24)=2y
\n" ); document.write( "y=-48
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