document.write( "Question 225001: graph and check: \"graph the linear system and estimate the solution. Then check the solution algebraically.\r
\n" ); document.write( "\n" ); document.write( "2x+y=5
\n" ); document.write( "x+y=2
\n" ); document.write( "

Algebra.Com's Answer #167999 by drj(1380)\"\" \"About 
You can put this solution on YOUR website!
Graph and check: \"graph the linear system and estimate the solution. Then check the solution algebraically.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"2x%2By=5\"
\n" ); document.write( "\"x%2By=2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Step 1. Graph the linear system of equations\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"graph%28400%2C400%2C+-10%2C10%2C-5%2C5%2C-2x%2B5%2C-x%2B2%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Step 2. Based on the above graph, the intersection point is (3,-1).\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Step 3. Check if (3,-1) or x=3 and y=-1 satisfies the system of equaitons\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Given \"2x%2By=5\", then \"2%2A3%2B%28-1%29=5\" which is a true statment.
\n" ); document.write( "Given \"x%2By=2\", then \"3%2B%28-1%29=2\" which is a true statement.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Step 4. ANSWER: The solution sis (3,-1) or x=3 and y=-1.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "I hope the above steps and explanation were helpful. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "For Step-By-Step videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry please visit http://www.FreedomUniversity.TV/courses/Trigonometry. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Also, good luck in your studies and contact me at john@e-liteworks.com for your future math needs.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Respectfully,
\n" ); document.write( "Dr J\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "http://www.FreedomUniversity.TV
\n" ); document.write( "
\n" );