Which equation is an identity?

–3y + 3 = –3y – 6

3w + 8 – w = 4w – 2(w – 4)

9 – (2v + 3) = –2v – 6

7m – 5 = 8m + 7 – m

repeat the question

step-by-step explanation:

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!

add them

step-by-step explanation:

idk you did not give the options or numbers so you cant solve it