Posted by jonathan on Tuesday, October 5, 2010 at 7:06pm.
You need to get t on one side.
remove the ( )
5-t-3=-1+2t+6
UNDERSTAND that step, most beginning students err there.
Then, add t to both sides
5-3=-1+3t+6
subtract 5 from both sides.-3=3t
t=-1
now go back to the original, put for t -1, and see if it checks.
The book says it's 3..
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