document.write( "Question 513943: If angle A and angle B are supplementary find the value of x
\n" ); document.write( "Measure of angle A= 2x, m of angle B= x-15
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Algebra.Com's Answer #343223 by Earlsdon(6294)\"\" \"About 
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If angle A and angle B are supplementary, then A = 180-B, so...
\n" ); document.write( "2x = 180-(x-15) Simplify.
\n" ); document.write( "2x = 180-x+15 Add x.
\n" ); document.write( "3x = 180+15
\n" ); document.write( "3x = 195 Divide by 3.
\n" ); document.write( "x = 65\r
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