document.write( "Question 271023: Please help me solve this question:\r
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document.write( "The sum of Al's age and his older brother's age is 29. The difference between their ages is 5 years. How old is Al?\r
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document.write( "I came up with:\r
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document.write( "B+A=29
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document.write( "B-A=5
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document.write( "A=?\r
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document.write( "But then, I don't know how to write the equation.
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document.write( "Thanks \n" );
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Algebra.Com's Answer #198418 by drk(1908)![]() ![]() ![]() You can put this solution on YOUR website! we start with these equations \n" ); document.write( "(1) \n" ); document.write( "(2) \n" ); document.write( "step 1 - add down to get \n" ); document.write( "(3) \n" ); document.write( "step 2 - divide to get \n" ); document.write( "(4) \n" ); document.write( "step 3 - by substitution, \n" ); document.write( " |