document.write( "Question 631187: Solve the system of linear equations by graphing
\n" ); document.write( "4x+y = 0
\n" ); document.write( "3x + y = 2\r
\n" ); document.write( "\n" ); document.write( "Please explain how you determine the points to plot on the graph
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Algebra.Com's Answer #397410 by Alan3354(69443)\"\" \"About 
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Solve the system of linear equations by graphing
\n" ); document.write( "4x+y = 0
\n" ); document.write( "3x + y = 2
\n" ); document.write( "----------------
\n" ); document.write( "Linear equations' graphs are straight lines, so you need 2 points.
\n" ); document.write( "4x+y = 0
\n" ); document.write( "y = -4x
\n" ); document.write( "Pick 2 values for x and find y, any 2
\n" ); document.write( "x = 0, y = 0 --> (0,0)
\n" ); document.write( "x = 2, y = -8 --> (2,-8)
\n" ); document.write( "Plot the 2 points, draw a line thru them.
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\n" ); document.write( "3x + y = 2
\n" ); document.write( "y = -3x + 2
\n" ); document.write( "Do the same.
\n" ); document.write( "Where they intersect is the solution to the system, x & y values that fit both equations.\r
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