Equilateral because all sides are equal
Answer:
x = -1/2
Step-by-step explanation:
To solve the equation, we first need to combine like terms:

Simplify further:

Divide by -12 on both sides to get:

To check the solution, plug x back into the original equation and check if we get the correct answer:



Thus, it checks out and our answer is correct.
1.) r=-1/3
2.) x=-33/29
3.) x=-4/5 x=2/5
Answer:
the awnser is b hope this helps
Step-by-step explanation:
Answer:
1330
Step-by-step explanation:
Use to formula...
21!/((21-3)!(3!) = 1330