document.write( "Question 934395: the age of two sisters are 11 years and 19 years. in how many years' time will the sum of their ages be 70 years. form an equation.
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Algebra.Com's Answer #567413 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! x = number of years in future \n" ); document.write( "--- \n" ); document.write( "11 + x + 19 + x = 70 \n" ); document.write( "2x = 70 - 11 - 19 \n" ); document.write( "x = (70 - 11 - 19)/2 \n" ); document.write( "x = 20 \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 with 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( "--- \n" ); document.write( "Send and receive free text messages online: \n" ); document.write( "https://sooeet.com \n" ); document.write( " |