Respuesta :

Sorbji
2x+20 ≤ 119-9x   *Move a constant (without a variable) to the opposite side*
     -20     -20
___________
2x≤99-9x            *Move a variable to the opposite side of the constants*
+9x     +9x
----------------
11x≤99                  *Divide to isolate the variable*
----  ----
11      11

x≤9