document.write( "Question 1199972: in rectangle ABCD, diagonal AC=8x-4 and diagonal BD=5x+5. Find AC \n" ); document.write( "

Algebra.Com's Answer #833957 by ikleyn(52839) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "      AC    =  BD\r\n" );
document.write( "\r\n" );
document.write( "    8x-4    = 5x+5\r\n" );
document.write( "\r\n" );
document.write( "    8x - 5x = 5 + 4\r\n" );
document.write( "\r\n" );
document.write( "      3x    =   9\r\n" );
document.write( "\r\n" );
document.write( "       x    =   9/3 = 3\r\n" );
document.write( "\r\n" );
document.write( "    AC = 8x-4 = 8*3-4 = 24 - 4 = 20.    ANSWER\r\n" );
document.write( "

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

\n" );