document.write( "Question 905719: An angles supplement is ten less than three times the angle.
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Algebra.Com's Answer #549396 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"A%2BS=180\"$
\n" ); document.write( " $\"S=3A-10\"$
\n" ); document.write( "Substitute,
\n" ); document.write( " $\"A%2B%283A-10%29=180\"$
\n" ); document.write( " $\"4A-10=180\"$
\n" ); document.write( " $\"4A=190\"$
\n" ); document.write( " $\"highlight%28A=95%2F2%29\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"S=3%2895%2F2%29-10\"$
\n" ); document.write( " $\"S=285%2F2-20%2F2\"$
\n" ); document.write( " $\"highlight%28S=265%2F2%29\"$
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