SOLUTION: sorry i put this in earlier i 4got 2 add sumthin 8t-r=12t, for t

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Question 57128: sorry i put this in earlier i 4got 2 add sumthin
8t-r=12t, for t
Answer by tutorcecilia(2144) About Me  (Show Source):
You can put this solution on YOUR website!
8t-r=12t
8t-8t-r=12t-8t
-r=4t
-r/-1=4t/-1
r=-4t
.
Check by plugging (r=-4t) back into the equation.