
Start by writing a formula, where
is Brad's purchase price and
is the original price.

Subtract
from both sides.

Multiply both sides by
.

The general slope-intercept form equation is:

In this case, m=-2 and with the point (4, 10) we can find the value of b:

We found that b = 18, so:
Answer:
-t
Step-by-step explanation:
t - 5 - 2t + 5 =
t - 5 + 5 - 2t =
t - 2t =
-t
E, D, B, A, C, F
I’m pretty sure that’s the order, sorry if it’s wrong