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Mathematics 7 Online
OpenStudy (anonymous):

Combine like terms. A) 3rs-8r+s-5rs+10r-s

jimthompson5910 (jim_thompson5910):

what is 3rs - 5rs

OpenStudy (anonymous):

2rs

jimthompson5910 (jim_thompson5910):

close

jimthompson5910 (jim_thompson5910):

3rs - 5rs simplifies to -2rs

jimthompson5910 (jim_thompson5910):

what about s - s

OpenStudy (anonymous):

Oh okay

OpenStudy (anonymous):

Hmm 0

jimthompson5910 (jim_thompson5910):

now what is -8r+10r

OpenStudy (anonymous):

2r

jimthompson5910 (jim_thompson5910):

good, so put this all together to get -2rs + 2r + 0 which simplifies to -2rs + 2r

jimthompson5910 (jim_thompson5910):

you can easily flip the terms to say 2r - 2rs

OpenStudy (anonymous):

Thanks

jimthompson5910 (jim_thompson5910):

np

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