document.write( "Question 261730: -2+4y=1
\n" ); document.write( "3x-6y=9
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Algebra.Com's Answer #192811 by roseo(33)\"\" \"About 
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Question: -2+4y=1
\n" ); document.write( " 3x-6y=9
\n" ); document.write( "Notice that the first equation has only one variable y so solve for that variable. -2+4y = 1
\n" ); document.write( " 4y = 3
\n" ); document.write( " y = 3/4
\n" ); document.write( "Now you have one variable so substitute that value for y in the second equation.
\n" ); document.write( " 3x - 6(3/4) = 9
\n" ); document.write( " 3x - 9/2 = 9
\n" ); document.write( " 3x = 27/2
\n" ); document.write( " x = 9/2
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