document.write( "Question 776730: Alice is 10 years older as her brother Alex. In 5 years, she will be twice as old as her brother. Find the present ages of each
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Algebra.Com's Answer #473728 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Alice is 10 years older as her brother Alex. \n" ); document.write( "Al = 10 + Ax \n" ); document.write( "In 5 years, she will be twice as old as her brother. \n" ); document.write( "Al + 5 = 2(Ax + 5) \n" ); document.write( "Replace Al with 10 + Ax from top equation. \n" ); document.write( "10 + Ax + 5 = 2Ax + 10 \n" ); document.write( "Ax - 2Ax = 10 - 10 - 5 \n" ); document.write( "-Ax = -5 \n" ); document.write( "Ax = 5 \n" ); document.write( "Alex is 5 years old \n" ); document.write( "Alice is 15 years old. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |