document.write( "Question 1080878: Two angles are supplementary. If the m∠A is five times the sum of the m∠B plus 7.2°, what is m∠B?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #694951 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"A=5%28B%2B7.2%29\"$
\n" ); document.write( "and
\n" ); document.write( " $\"A%2BB=180\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"5%28B%2B7.2%29%2BB=180\"$
\n" ); document.write( " $\"5B%2B36%2BB=180\"$
\n" ); document.write( " $\"6B=144\"$
\n" ); document.write( "Solve for B, then use either equation to solve for A.
\n" ); document.write( " \n" ); document.write( "

\n" );