document.write( "Question 1010214: the measure of angle b is 2 times the measure of its supplement what is the measure of angle b solve for the supplement 2x+x=180 then find angle b 2x=___ degrees \n" ); document.write( "
Algebra.Com's Answer #625675 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
We write this is
\n" ); document.write( "b = 2(180 - b)
\n" ); document.write( "b = 360 - 2b
\n" ); document.write( "3b = 360
\n" ); document.write( "b = 120 degrees
\n" ); document.write( "
\n" );