document.write( "Question 926441: 38. Aunt Mary, 42 years old, has a 12-year old niece. In how many years will the aunt be twice as old as her niece? \n" ); document.write( "
Algebra.Com's Answer #562251 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! 42 + x = 2(12 + x) \n" ); document.write( "42 + x = 24 + 2x \n" ); document.write( "2x - x = 42 - 24 \n" ); document.write( "x = 18 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "in 18 years the aunt will be twice as old as her niece \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |