# math

posted by .

5-(t+3)=-1+2(t+3)
I don't know how to do it.
I need help going over the steps

• math -

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.

• math -

The book says it's 3..

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