document.write( "Question 1144547: If AR bisects CAB , and mCAR = 4x −8 , and mCAB = 72 , find the value of x.
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Algebra.Com's Answer #765694 by ikleyn(52946) $\"\"$ $\"About$

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document.write( "Since AR bisects the angle CAB,  m(CAB) = 2*m(CAR).\r\n" );
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document.write( "In other words,\r\n" );
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document.write( "    72 = 2*(4x-8).\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    72 = 8x - 16\r\n" );
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document.write( "    72 + 16 = 8x\r\n" );
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document.write( "    88 = 8x\r\n" );
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document.write( "     x = 88/8 = 11.\r\n" );
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document.write( "ANSWER.  x is 11 degrees.\r\n" );
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