5-(t+3)=-1+2(t+3)

I don't know how to do it.
I need help going over the steps

2 answers

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..