I'll give Brainiest! Simplify all four questions correctly- (p - 3) + (p - 7)

(3n - 1) + ( -n + 4)

(-t + 5) + (3t + 2)

(7k + 9) + (4k - 3)

i believe

step-by-step explanation:

from my conclusion c

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!