document.write( "Question 925872: Janet is 3 years older than her sister Julie. Janet's brother is 8 years younger than their sister Julie. The sum of all their ages is 55. How old are Janet, Julie and their brother? \n" ); document.write( "

Algebra.Com's Answer #561817 by TimothyLamb(4379) $\"\"$ $\"About$

You can put this solution on YOUR website!
x = janet age now
\n" ); document.write( "y = julie age now
\n" ); document.write( "z = brother age now
\n" ); document.write( "---
\n" ); document.write( "x + y + z = 55
\n" ); document.write( "x = y + 3
\n" ); document.write( "z = y - 8
\n" ); document.write( "---
\n" ); document.write( "put the system of linear equations into standard form
\n" ); document.write( "---
\n" ); document.write( "x + y + z = 55
\n" ); document.write( "x - y = 3
\n" ); document.write( "y - z = 8
\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 = janet age now = 23
\n" ); document.write( "y = julie age now = 20
\n" ); document.write( "z = brother age now = 12
\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( "

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