document.write( "Question 253858: solve\r
\n" ); document.write( "\n" ); document.write( "{3x-4y=8
\n" ); document.write( "{y=x-1
\n" ); document.write( "

Algebra.Com's Answer #186207 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"3x-4y=8\" Start with the first equation.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3x-4%28x-1%29=8\" Plug in \"y=x-1\" \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3x-4x%2B4=8\" Distribute.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"-x%2B4=8\" Combine like terms on the left side.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"-x=8-4\" Subtract \"4\" from both sides.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"-x=4\" Combine like terms on the right side.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=%284%29%2F%28-1%29\" Divide both sides by \"-1\" to isolate \"x\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=-4\" Reduce.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y=x-1\" Go back to the second equation.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y=-4-1\" Plug in \"x=-4\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y=-5\" Subtract\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the solutions are \"x=-4\" and \"y=-5\" giving us the ordered pair (-4,-5)
\n" ); document.write( "
\n" );