document.write( "Question 501531: 3x+y=5
\n" ); document.write( "x-2y=4 \n" ); document.write( "

Algebra.Com's Answer #338550 by oberobic(2304) $\"\"$ $\"About$

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3x+y=5
\n" ); document.write( "x-2y=4
\n" ); document.write( "x = 2y+4
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\n" ); document.write( "3(2y+4) +y = 5
\n" ); document.write( "6y +12 +y = 5
\n" ); document.write( "7y = -7
\n" ); document.write( "y = -1
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\n" ); document.write( "x = 2y +4
\n" ); document.write( "x = 2(-1) +4
\n" ); document.write( "x = 2
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\n" ); document.write( "Graphing these is helpful to check your answer.
\n" ); document.write( "Convert them to slope-intercept form.
\n" ); document.write( "3x+y=5
\n" ); document.write( "y = -3x +5
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\n" ); document.write( "x-2y=4
\n" ); document.write( "-2y = -x +4
\n" ); document.write( "y = x/2 -2
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\n" ); document.write( " $\"graph%28500%2C500%2C-5%2C5%2C-5%2C5%2C-3%2Ax%2B5%2Cx%2F2-2%29\"$ \r
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