document.write( "Question 1148269: What is the solution of the system? Use substitution.\r
\n" );
document.write( "\n" );
document.write( "x = y + 2
\n" );
document.write( "8y = 7x - 9
\n" );
document.write( "z = 6x - 4y \n" );
document.write( "
Algebra.Com's Answer #769626 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Use the first two equations to find x and y. Use these results to find z in the last equation. You see that first two equations do not contain z.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "-\r \n" ); document.write( "\n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( ". \n" ); document.write( " |