document.write( "Question 315281: The measure of an angle is 20 less than 3 times its supplement. Find the measure of the angle \n" ); document.write( "

Algebra.Com's Answer #225604 by nerdybill(7384) $\"\"$ $\"About$

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The measure of an angle is 20 less than 3 times its supplement. Find the measure of the angle
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\n" ); document.write( "Let x = the angle
\n" ); document.write( "then
\n" ); document.write( "180-x = the supplement
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\n" ); document.write( "x = 3(180-x) - 20
\n" ); document.write( "x = 540-3x-20
\n" ); document.write( "x = 520-3x
\n" ); document.write( "4x = 520
\n" ); document.write( "x = 130 degrees \n" ); document.write( "

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