document.write( "Question 1179538: Here’s the last question I need help on. Thank you for anyone who solved this!!\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "If angle a and angle b are alternate interior angles solve for X given:\r
\n" ); document.write( "\n" ); document.write( "A = 2x and B = x+ 30\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #853764 by n2(54) $\"\"$ $\"About$

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

\r\n" );
document.write( "The alternate interior angles, formed by two parallel lines and a transverse line, \r\n" );
document.write( "are congruent and have the same measure.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "So, we write\r\n" );
document.write( "\r\n" );
document.write( "    2x = x + 30\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "and obtain immediately from this equation\r\n" );
document.write( "\r\n" );
document.write( "    2x - x = 30,\r\n" );
document.write( "\r\n" );
document.write( "       x   = 30  degrees.    <<<---===  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" );