document.write( "Question 444948: ∠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 #306647 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
a & b add to 180 degs
\n" ); document.write( "2x+4 + 4x-10 = 180
\n" ); document.write( "---------
\n" ); document.write( "Solve for x, then the angles.
\n" ); document.write( "
\n" ); document.write( "
\n" );