document.write( "Question 370395: I must solve the equation using the substitution method.\r
\n" ); document.write( "\n" ); document.write( "2x+y=3
\n" ); document.write( "y=5x-11\r
\n" ); document.write( "\n" ); document.write( "I worked the problem, but i dont know if it is correct...i solved as follows..\r
\n" ); document.write( "\n" ); document.write( "2x+5x-11=3
\n" ); document.write( " 7x-11=3
\n" ); document.write( " +11 +11
\n" ); document.write( " 7x = 14
\n" ); document.write( " -- --
\n" ); document.write( " 7 7
\n" ); document.write( " x = 2
\n" ); document.write( "Then I solve for y as follows:\r
\n" ); document.write( "\n" ); document.write( "y=5(2)-11
\n" ); document.write( "y=10-11
\n" ); document.write( "y = -1\r
\n" ); document.write( "\n" ); document.write( "So, my answer is (2,-1)\r
\n" ); document.write( "\n" ); document.write( "Is this correct??
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #264026 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
2x+y=3
\n" ); document.write( "y=5x-11
\n" ); document.write( "-----------
\n" ); document.write( "So, my answer is (2,-1)
\n" ); document.write( "Is this correct??
\n" ); document.write( "---------------
\n" ); document.write( "As a check, see if your answer fits both equations.
\n" ); document.write( "2x+y = 3
\n" ); document.write( "2*2 + (-1) =? 3
\n" ); document.write( "3 = 3 That one's good.
\n" ); document.write( "-------------
\n" ); document.write( "y=5x-11
\n" ); document.write( "-1 =? 5*2 - 11
\n" ); document.write( "-1 = -1 both fit, so you're correct.\r
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