document.write( "Question 1145621: In segment AC, the midpoint is B. If segments AC = 5x-9 and AB = 2x, what is the measure of segment AC.\r
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Algebra.Com's Answer #766851 by ikleyn(52794) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "    -------|-----------|-----------|--------\r\n" );
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document.write( "           A           B           C\r\n" );
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document.write( "Since point B is the midpoint of segment AC,\r\n" );
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document.write( "the length of segment AC is two times the length of segment AB :\r\n" );
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document.write( "    5x - 9 = 2*(2x).\r\n" );
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document.write( "Simplify and solve for x\r\n" );
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document.write( "    5x - 9 = 4x\r\n" );
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document.write( "    5x - 4x = 9\r\n" );
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document.write( "     x      = 9\r\n" );
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document.write( "The length of segment AC is  5x-9 = 5*9 - 9 = 45 - 9 = 36.    ANSWER\r\n" );
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