document.write( "Question 617862: ∠a and ∠b are supplementary. If m∠a = 2x + 4 and m∠b = 4x - 10, what is the measure of ∠a? \n" ); document.write( "

Algebra.Com's Answer #388597 by math33(31) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"m%3Ca+%2Bm%3C+b+=180+++++++++\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"++2x+%2B+4+%2B+4x+-+10+=+180\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"++6x++=++186\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+cross%286%29x%2Fcross%286%29++=++186%2F6+++++++\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x+=31++\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"++m%3Ca+=+2%2831%29+%2B+4+=+66+++++\"$ \n" ); document.write( "

\n" );