document.write( "Question 824874: supplementary angle of an angle is 9/4times its complementary angle. Find the measure of the supplementary angle. \n" ); document.write( "
Algebra.Com's Answer #498817 by LinnW(1048)\"\" \"About 
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x = angle
\n" ); document.write( "(90 - x) = complement
\n" ); document.write( "(180 - x) = supplement
\n" ); document.write( "(180 - x) = (9/4)(90 - x)
\n" ); document.write( " 180 - x = 810/4 - (9/4)x
\n" ); document.write( "multiply each side by 4
\n" ); document.write( "4(180 - x) = 810 - 9x
\n" ); document.write( "720 - 4x = 810 - 9x
\n" ); document.write( "add 5x to each side
\n" ); document.write( "720 + 5x = 810
\n" ); document.write( "subtract 720 from each side
\n" ); document.write( " 5x = 90
\n" ); document.write( "divide each side by 5
\n" ); document.write( " x = 18
\n" ); document.write( "
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