document.write( "Question 1160731: Gabriella is x years old. her brother is 8 years older and her sister is 12 years younger than she is. If their total age is 50 years, how old are they? \n" ); document.write( "
Algebra.Com's Answer #784124 by josgarithmetic(39617)\"\" \"About 
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document.write( "Gabriela         x\r\n" );
document.write( "Brother          x+8\r\n" );
document.write( "Sister           x-12\r\n" );
document.write( "TOTAL            50\r\n" );
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\n" ); document.write( "\"x%2B%28x%2B8%29%2B%28x-12%29=50\"\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B8-12=50\"\r
\n" ); document.write( "\n" ); document.write( "\"3x=54\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight_green%28x=18%29\"\r
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document.write( "PERSON           AGE\r\n" );
document.write( "Gabriela         18\r\n" );
document.write( "Brother          x+8=26\r\n" );
document.write( "Sister           x-12=6\r\n" );
document.write( "TOTAL            50\r\n" );
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