What is the format of this proof? Given: ABC is a right angle, DBC is a straight angle
Prove: ABD is a right angle
a.) two-column proof
b.) two-paragraph proof
c.) flowchart proof
d.) one paragraph proof

answer: 2x + 2 − 2 = 10 − 2; subtraction property of equality

step-by-step explanation:

answer: the answer is ann

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!

what's the question here?