document.write( "Question 492528: Angle ABD=(12x-12), Angle BDE=(3x+48). Both are supplementary. Find the measures of both angles. \n" ); document.write( "
Algebra.Com's Answer #335083 by cleomenius(959)\"\" \"About 
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12x - 12 + 3x + 48 = 180
\n" ); document.write( "15x + 36 = 180
\n" ); document.write( "15x = 144
\n" ); document.write( "x = 9.6
\n" ); document.write( "12(9.6) - 12 = 103.2 degrees.
\n" ); document.write( "3(9.6) 28.8 + 48 = 76.8 degrees.
\n" ); document.write( "103.2 + 76.8 = 180 degrees.
\n" ); document.write( "This does check.
\n" ); document.write( "Cleomenius.
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