document.write( "Question 1108392: David is X years old and Martin is 3 years older if the sum of their ages is 37 write an equation based on this information
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Algebra.Com's Answer #723396 by jim_thompson5910(35256)\"\" \"About 
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David's current age = x
\n" ); document.write( "Martin's current age = x+3\r
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\n" ); document.write( "\n" ); document.write( "The sum of their ages has us add up the two expressions (x and x+3) so we end up with (x)+(x+3) = x+x+3 = 2x+3\r
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\n" ); document.write( "\n" ); document.write( "We're told that \"the sum of their ages is 37\", so set 2x+3 equal to 37 to get the answer 2x+3 = 37
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