document.write( "Question 927020: Barry is 8 years older than his sister. In 3 years, he will be twice as old as she will be then. How old is each now? \n" ); document.write( "
Algebra.Com's Answer #562637 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! x = barry age \n" ); document.write( "y = sister age \n" ); document.write( "--- \n" ); document.write( "x = y + 8 \n" ); document.write( "x + 3 = 2(y + 3) \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "x - y = 8 \n" ); document.write( "x + 3 = 2y + 6 \n" ); document.write( "--- \n" ); document.write( "x - y = 8 \n" ); document.write( "x - 2y = 3 \n" ); document.write( "--- \n" ); document.write( "copy and paste the above standard form linear equations in to this solver: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( "solution: \n" ); document.write( "x = barry age = 13 \n" ); document.write( "y = sister age = 5 \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( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( " |