
Ralph K. answered 01/09/15
Tutor
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Effective Mathematics, Physics and Chemistry Tutor
Hi Omg,
This is really quite basic.
Group the expressions together in a logical fashion.
For example 8s - 5t - 2s + 2t would be (8s - 2s) + (-5t + 2t)
This simplifies to 6s - 3t
Just curious is this for homework or a test that you are so pressed for time?
Good luck