For this case we have the following subtraction:

We can rewrite the subtraction in an easier way.
We have then:

Then, by doing associative property we have:

Answer:
The value of the subtraction is given by:

Answer:
A
Step-by-step explanation:
Answer:
It would be 2. 6x - 1 = 1 + x
Step-by-step explanation:
Answer: It is an obtuse triangle I think beause more than one side is more than a 90 degree angle
Step-by-step explanation:
The 2nd option is the answer :)!