document.write( "Question 1189681: Matt the Magician had 4 times as many black balloons as purple balloons. After he gave away 9 black balloons, he found that he had an equal number of black and purple balloons left. How many balloons did Matt the Magician have at first?
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Algebra.Com's Answer #821098 by ikleyn(52775) $\"\"$ $\"About$

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\n" ); document.write( "Matt the Magician had 4 times as many black balloons as purple balloons.
\n" ); document.write( "After he gave away 9 black balloons, he found that he had an equal number
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document.write( " x = # of purple balloons;\r\n" );
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document.write( "4x = # of black  balloons.\r\n" );
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document.write( "Equation\r\n" );
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document.write( "    4x - 9 = x\r\n" );
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document.write( "Solution\r\n" );
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document.write( "    4x - x = 9\r\n" );
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document.write( "       3x  = 9\r\n" );
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document.write( "        x  = 9/3 = 3.\r\n" );
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document.write( "ANSWER.  3 purple balloons and 4*3 = 12 black balloons.\r\n" );
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