2x + 2x =

What does 2x + 2x equal. I'm confused.

4x

Step-by-step explanation:

Since they have the same letter you just add the numbers like you would regularly which would be 2+2 = 4

i = 2 / - 5

step-by-step explanation:

evaluation of ( 2 - 4 ) ( p + q ) when p = 2 and q = 5 i, by putting values of p and q,                                                                    

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!