document.write( "Question 1025468: Which answer correctly shows the first step that can be used to correctly solve the system of equations?\r
\n" ); document.write( "\n" ); document.write( "5x + 2y = 4
\n" ); document.write( "3x + 4y + 2z = 6
\n" ); document.write( "7x + 3y + 4z = 29\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "A.
\n" ); document.write( "3x + 4y + 2z = 6 → 3x + 4y + 4z = 6
\n" ); document.write( "7x + 3y + 4z = 29 → (­-)7x + 3y + 4z = 29\r
\n" ); document.write( "\n" ); document.write( "-4x ­- y =- ­23\r
\n" ); document.write( "\n" ); document.write( "B.
\n" ); document.write( "3x + 4y + 2z = 6 → 6x + 8y + 4z = 12
\n" ); document.write( " 7x + 3y + 4z = 29 → (-­)7x + 3y + 4z = 29\r
\n" ); document.write( "\n" ); document.write( "-x + 5y = ­-17\r
\n" ); document.write( "\n" ); document.write( "C.
\n" ); document.write( "3x + 4y + 2z = 6 → 6x + 8y + 4z = 6
\n" ); document.write( "7x + 3y + 4z = 29 → (-­)7x + 3y + 4z = 2\r
\n" ); document.write( "\n" ); document.write( "-x + 5y =- ­23\r
\n" ); document.write( "\n" ); document.write( "D.
\n" ); document.write( "3x + 4y + 2z = 6 → 6x + 8y + 4z = 12
\n" ); document.write( "7x + 3y + 4z = 29 → (-­)7x + 3y + 4z = 29\r
\n" ); document.write( "\n" ); document.write( "-x + 8y = 41\r
\n" ); document.write( "\n" ); document.write( "Thanks in advance, this has been a difficult problem for me.\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
Algebra.Com's Answer #640760 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "5x + 2y = 4 \r\n" );
document.write( "3x + 4y + 2z = 6 \r\n" );
document.write( "7x + 3y + 4z = 29\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "A.	\r\n" );
document.write( "3x + 4y + 2z = 6  →     3x + 4y + 4z = 6 \r\n" );
document.write( "Oh,oh! They forgot to multiply the 6 by 2>\r\n" );
document.write( "7x + 3y + 4z = 29 → (­-)7x + 3y + 4z = 29\r\n" );
document.write( "\r\n" );
document.write( "-4x ­-  y  =- ­23\r\n" );
document.write( "\r\n" );
document.write( "B.	\r\n" );
document.write( "3x + 4y + 2z = 6 →     6x + 8y + 4z = 12 \r\n" );
document.write( " 7x + 3y + 4z = 29 → (-­)7x + 3y + 4z = 29\r\n" );
document.write( "\r\n" );
document.write( "-x + 5y  = ­-17\r\n" );
document.write( "\r\n" );
document.write( "C.	\r\n" );
document.write( "3x + 4y + 2z = 6 →     6x + 8y + 4z =  6\r\n" );
document.write( "Oh,oh! They forgot to multiply the 6 by 2>\r\n" );
document.write( "7x + 3y + 4z = 29 → (-­)7x + 3y + 4z = 2\r\n" );
document.write( "\r\n" );
document.write( "-x + 5y =- ­23\r\n" );
document.write( "\r\n" );
document.write( "D.	\r\n" );
document.write( "3x + 4y + 2z = 6 →     6x + 8y + 4z = 12 \r\n" );
document.write( "7x + 3y + 4z = 29 → (-­)7x + 3y + 4z = 29\r\n" );
document.write( "\r\n" );
document.write( "-x + 8y = 41\r\n" );
document.write( "Oh,oh! They didn't subtract 3y from 8y,\r\n" );
document.write( "and also they added 29 to 12 when they should \r\n" );
document.write( "have subtracted.>\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( " \n" ); document.write( "
\n" );