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You can put this solution on YOUR website!
Step 1: Isolate for variable y
\n" ); document.write( "x+y=11
\n" ); document.write( "-x. -x
\n" ); document.write( "y=-x+11
\n" ); document.write( "x-y=7
\n" ); document.write( "-x. -x
\n" ); document.write( "-y=-x+7
\n" ); document.write( "Cannot have a -1 so divide by -1
\n" ); document.write( "y=-x/-1+7/-1
\n" ); document.write( "y=x-7
\n" ); document.write( "Step 2: draw a x and y axis
\n" ); document.write( "Plot the first equation at (0,11) and go down 1 right one till you have gone as far right as possible. Then from (0,11) go up 1 left 1 and go as far left as possible.
\n" ); document.write( "Plot the second equation at (0,-7) go up 1 right one until you have gone as far right as possible. Then from the point (0,-7) go down one left one until you have gone as far left as possible.
\n" ); document.write( "Step 3: the points should now connect at (9,2) \n" ); document.write( "