document.write( "Question 68558: solve each equation and graph.
\n" ); document.write( "3x - 6y = 9
\n" ); document.write( "x - 2 = 3
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Algebra.Com's Answer #48761 by rmromero(383)\"\" \"About 
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Here are the Steps using Substition method
\n" ); document.write( "1. solve for x
\n" ); document.write( "x - 2 = 3
\n" ); document.write( "\"highlight+%28x+=+5%29\"
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\n" ); document.write( "3. Substitute 5 for x and solve for y.
\n" ); document.write( "3x - 6y = 9 , x = 5
\n" ); document.write( "3(5) - 6y = 9
\n" ); document.write( "15 - 6y = 9
\n" ); document.write( "-6y = -6
\n" ); document.write( "\"highlight+%28y+=+1%29\"
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\n" ); document.write( "4. Check the solution in both original equations.
\n" ); document.write( "3x - 6y = 9 , x = 5 and y = 1
\n" ); document.write( "3(5) - 6(1) = 9
\n" ); document.write( "15 - 6 = 9
\n" ); document.write( "9 = 9 ---> True\r
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Therefore, the solution of the equation is (5, 1) \r
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\n" ); document.write( "\"graph+%28300%2C+300%2C+-3%2C+9%2C+-3%2C+9%2C+%281%2F2%29x-3%2F2%29\"\r
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the graph of x = 5 is a vertical line along x = 5. The two line if graph together they will intersect when x = 5 and y = 1. \r
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\n" ); document.write( "Happy graphing
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