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Gerald Levine
Mathematics
15 November, 04:05
Simplify the following: (r+s-t) - (r-s+t)
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Kailey Shelton
15 November, 04:33
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R+s-t - (r-s+t)
=2s-t is the answer
People think this answer would be just = 2s but I have verified with an online calculator and the answer that textbooks look for regarding this is 2s-t
You would assume you would go r-r and thats 0 so no r's
you would say s - (-s) makes it plus and theres 2s
and you would say - t - (+t) is - t
that's why the answer is 2s-t
At first I also did t - (+t) and thought it would be no t's but the answer is in fact 2s-t
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