Answer:
Step-by-step explanation:
-3a + 6b = a + 4b
-4a + 6b = 4b
-4a = -2b
a = -2b/-4
f(a) = -b/2
I would say origin, but it's a hard choice.
3x+1=1 because it is a hard problem to solve just ask your teacher
Answer:
4 hours.
Step-by-step explanation:
The difference between 6 and 2 is 4.
Answer: B
Step-by-step explanation:
-1 will be your answer. (B)