document.write( "Question 159023: An angle measures 12 degrees less than three times its supplement. Find the measure of the angle \n" ); document.write( "
Algebra.Com's Answer #117186 by checkley77(12844)\"\" \"About 
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3x-12+x=180
\n" ); document.write( "4x=180+12
\n" ); document.write( "4x=192
\n" ); document.write( "x=192/4
\n" ); document.write( "x=48 degrees for the smaller angle.
\n" ); document.write( "Proof:
\n" ); document.write( "3*48-12+48=180
\n" ); document.write( "144-12+48=180
\n" ); document.write( "180-180
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