document.write( "Question 679988: jim is 2 years older than 3 times his little brother. Together their ages add up to 18. how old is each? \n" ); document.write( "
Algebra.Com's Answer #422173 by stanbon(75887) ![]() You can put this solution on YOUR website! jim is 2 years older than 3 times his little brother. Together their ages add up to 18. how old is each? \n" ); document.write( "---------------------------- \n" ); document.write( "Equations: \n" ); document.write( "j = 3b+2 \n" ); document.write( "j + b = 18 \n" ); document.write( "----- \n" ); document.write( "Substitute for \"j\" and solve for \"b\": \n" ); document.write( "3b+2 + b = 18 \n" ); document.write( "4b = 16 \n" ); document.write( "b = 4 (Brother's age) \n" ); document.write( "------ \n" ); document.write( "Solve for \"j\": \n" ); document.write( "j + 4 = 18 \n" ); document.write( "j = 14 years (Jim's age) \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================== \n" ); document.write( " |