Answer:
9.405
Step-by-step explanation:
You know that we have to simplify the algebra equation, so first you have to combine x and 2x. X + 2x equals to 3x. Now that we combined x and 2x which makes 3x, we have to do 7 and -8. 7 + -8 which equals to -1. Therefore, the answer to this algebra equation is 3x + -1.
Answer:
i dont under your question. Do you mean on triangles or complamentary or supplementary angles it depends
4.8, I hope this helps you, I answered this earlier. :)
The answer should be option C! I think? I hope it helps :)
