MenuMenu
 

 If 5x + 3y = 12 and 4x - 5y =17, what is y?

A PHP Error was encountered

Severity: Warning

Message: touch(): Unable to create file sessions/ci_session186463a31b929296ca6d42b6243d649da892352d because No such file or directory

Filename: drivers/Session_files_driver.php

Line Number: 252

Backtrace:

A PHP Error was encountered

Severity: Warning

Message: session_write_close(): Failed to write session data using user defined save handler. (session.save_path: sessions)

Filename: Unknown

Line Number: 0

Backtrace: