Answer is x=7. Just need to move the variables around, as shown in the picture.
I think it would be c if it were a greater rate I don't know if i am right I'll check back with you guys on the answer
Answer:
-2x +6 = 6
-2x = 6- 6
-2x =0
x = 0
x^4/21
Step-by-step explanation: