document.write( "Question 591694: house A is 2years older than house B. nine years ago house A was 3 times as old as house B. how old is house A and house B.\r
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Algebra.Com's Answer #375710 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Let x=B's current age; x-9=B's age 9 years ago \n" ); document.write( "Then x+2=A's current age; x+2-9=x-7=A's age 9 years ago \n" ); document.write( "And we are told that: \n" ); document.write( "x-7=3(x-9) \n" ); document.write( "x-7=3x-27 \n" ); document.write( "2x=20 \n" ); document.write( "x=10 --------------B's current age \n" ); document.write( "x+2=10+2=12 A's current age \n" ); document.write( "CK \n" ); document.write( "12-9=3*(10-9) \n" ); document.write( "3=3 \n" ); document.write( "hope this helps---ptaylor \n" ); document.write( " |