document.write( "Question 1051249: the supplement of an angle is twenty less than the angle. Find the angle and supplement \n" ); document.write( "

Algebra.Com's Answer #666811 by Fombitz(32388) $\"\"$ $\"About$

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$\"A%2BS=180\"$
\n" ); document.write( " $\"S=A-20\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"A%2BA-20=180\"$
\n" ); document.write( " $\"2A=200\"$
\n" ); document.write( " $\"A=100\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"S=100-20\"$
\n" ); document.write( " $\"S=80\"$
\n" ); document.write( " \n" ); document.write( "

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