document.write( "Question 203481: I actually attempted the examples in my book but still do not grasp the concept if I can actually get someone to get to break this down for me i might be able to do the rest on my own:\r
\n" ); document.write( "\n" ); document.write( "y= -3x+19
\n" ); document.write( "y= 2x-1\r
\n" ); document.write( "\n" ); document.write( "and \r
\n" ); document.write( "\n" ); document.write( "x+3y=2
\n" ); document.write( "-x+y=1 thank you \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #153508 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
y= -3x+19
\n" ); document.write( "y= 2x-1 \r
\n" ); document.write( "\n" ); document.write( "---
\n" ); document.write( "Substitute to get:
\n" ); document.write( "2x-1 = -3x+19
\n" ); document.write( "5x = 20
\n" ); document.write( "x = 4
\n" ); document.write( "===================================\r
\n" ); document.write( "\n" ); document.write( "and
\n" ); document.write( "x+3y=2
\n" ); document.write( "-x+y=1
\n" ); document.write( "---
\n" ); document.write( "Add the two equations to get:
\n" ); document.write( "4y = 3
\n" ); document.write( "y = 3/4
\n" ); document.write( "Substitute to solve for \"x\":
\n" ); document.write( "-x + (3/4) = 1
\n" ); document.write( "-x = 1/4
\n" ); document.write( "x = -1/4
\n" ); document.write( "-------------------------
\n" ); document.write( "Solution: (-1/4,3/4)
\n" ); document.write( "======================================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );