document.write( "Question 925387: Jessica is 21 years older than Gabriela. Nine years ago, Jessica was 4 times as old as Gabriela.
\n" );
document.write( " How old is jessica now? \n" );
document.write( "
Algebra.Com's Answer #561492 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! x = jess age now \n" ); document.write( "y = gaby age now \n" ); document.write( "--- \n" ); document.write( "x = y + 21 \n" ); document.write( "x - 9 = 4(y - 9) \n" ); document.write( "--- \n" ); document.write( "x = y + 21 \n" ); document.write( "x - 9 = 4y - 36 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "x - y = 21 \n" ); document.write( "x - 4y = -27 \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 = jess age now = 37 \n" ); document.write( "y = gaby age now = 16 \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( " |