C
By subtracting 18 to both sides you are separating the 3x because you are not ready to isolate the variable (x) in step 1
Answer:
3.16 is your answer <em>:D</em>
Answer:

Step-by-step explanation:
combine like terms. not trying to be mean, but that all you have to do.
I believe it is C, not 101% positive, but I think it is C
Answer:
Triangle QRS is an isosceles triangle because QR = RS.
Step-by-step explanation:
option D for Edgu hope this helps :)