document.write( "Question 178946: I have an angle that is complementary to angle x on one side, and supplementary to angle y on the other. All three angles added together equal 200 degrees. What is the measure of the angle?
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Algebra.Com's Answer #133882 by Mathtut(3670)\"\" \"About 
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let angles be z,x,and y
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\n" ); document.write( "z+x=90........eq 1
\n" ); document.write( "z+y=180.......eq 2
\n" ); document.write( "z+x+y=200.....eq 3
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\n" ); document.write( "rewrite eq 1 to x=90-z and eq 2 to y=180-z and plug those values into eq 3
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\n" ); document.write( "z+90-z+180-z=200
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\n" ); document.write( "-z=-70
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\n" ); document.write( "\"highlight%28z=70%29\"degrees
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\n" ); document.write( "\"x=20\"
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\n" ); document.write( "\"y=110\"
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