Please help! _ _ x + _ _ = _ _x + _ _x =_ _

We can use any numbers below 100​

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

What’s the range cuz i can’t find it?