document.write( "Question 889988: In the parallelogram ABCD, what is the value of x?
\n" ); document.write( "Given: Angle A =3y Angle B= 2y-5 Angle C= 3x+3 \n" ); document.write( "
Algebra.Com's Answer #538616 by Edwin McCravy(20062)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Two adjacent internal angles of a parallelogram are supplementary,\r\n" );
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document.write( "Therefore\r\n" );
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document.write( "     ∠A + ∠B = 180°\r\n" );
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document.write( "(3y) + (2y-5) = 180\r\n" );
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document.write( "  3y + 2y - 5 = 180\r\n" );
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document.write( "       5y - 5 = 180\r\n" );
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document.write( "           5y = 185\r\n" );
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document.write( "            y = 37\r\n" );
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document.write( "Opposite internal angles of a parallelogram have equal measure.\r\n" );
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document.write( "Therefore,\r\n" );
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document.write( "          ∠A = ∠C\r\n" );
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document.write( "          3y = 3x + 3\r\n" );
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document.write( "       3(37) = 3x + 3\r\n" );
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document.write( "         111 = 3x + 3\r\n" );
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document.write( "         108 = 3x\r\n" );
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document.write( "          36 = x \r\n" );
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document.write( "Edwin
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