document.write( "Question 880819:
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document.write( "ABCD is a parallelogram. Angle A is equal to4 x plus 5 degrees and angle D is equal to x minus 20 Find x. \n" );
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Algebra.Com's Answer #531729 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! ABCD is a parallelogram. Angle A is equal to4 x plus 5 degrees and angle D is equal to x minus 20 Find x. \n" ); document.write( "--------------- \n" ); document.write( "A and D are adjacent angles. \n" ); document.write( "A and D are supplementary angles. \n" ); document.write( "--- \n" ); document.write( "Equation: \n" ); document.write( "4x+5 + x-20 = 180 \n" ); document.write( "5x - 15 = 180 \n" ); document.write( "x - 3 = 56 \n" ); document.write( "x = 59 \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |