Answer:
4x and -2x
Step-by-step explanation:
They have 2 of the same variable unlike the others
⏃ rational number can be expressed as ⏃ number that can be written in the form of ⏃ fracton.
y = 2
(4x+9y)-(4x+5y) = 14-6
4x-4x+9y-5y = 8
4y = 8
Hope this helped!