document.write( "Question 789772: Two angles are supplementary. One angle measures 12 degrees more than the other. Find the measure of the angles. \n" ); document.write( "
Algebra.Com's Answer #478932 by waynest(281)\"\" \"About 
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angle 1 = x
\n" ); document.write( "angle 2 = x + 12\r
\n" ); document.write( "\n" ); document.write( "x + (x + 12) = 90
\n" ); document.write( "2x + 12 = 90
\n" ); document.write( "2x + 12 - 12 + 90 - 12
\n" ); document.write( "2x = 78
\n" ); document.write( "2x/2 = 78/2
\n" ); document.write( "x = 39\r
\n" ); document.write( "\n" ); document.write( "check:
\n" ); document.write( "39 + (39 + 12) = 90
\n" ); document.write( "39 + 51 = 90
\n" ); document.write( "90 = 90
\n" ); document.write( "
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