document.write( "Question 680051: Haley is twice as old as billy. The sum of their ages is 36. How old is billy? How old is Haley, and what are the two equations; using substituion method? \n" ); document.write( "
Algebra.Com's Answer #422240 by ReadingBoosters(3246)\"\" \"About 
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h = 2b
\n" ); document.write( "h+b=36
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\n" ); document.write( "2b + b = 36
\n" ); document.write( "3b = 36
\n" ); document.write( "b = \"highlight_green%2812%29\" years old for Billy
\n" ); document.write( "h = 2(12) = \"highlight_green%2824%29\" years old for Haley
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