Given a and b are numbers, and a+b=180, which statements also must be true

step-by-step explanation:

coldest temperature they recorded add me europa2433

europa2433

there is no question content here, but you for the free points! : d

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!