posted by jonathan .
I don't know how to do it.
I need help going over the steps
You need to get t on one side.
remove the ( )
UNDERSTAND that step, most beginning students err there.
Then, add t to both sides
subtract 5 from both sides.-3=3t
now go back to the original, put for t -1, and see if it checks.
The book says it's 3..