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Mathematics 10 Online
OpenStudy (anonymous):

2r-(5-r)=13+2r

jimthompson5910 (jim_thompson5910):

2r-(5-r)=13+2r 2r-5+r=13+2r ... Distribute 3r-5=13+2r ... Combine like terms. What's next?

OpenStudy (anonymous):

2r-5+r = 13+2r 3r-5=13+2r 3r-2r=13+5 r=?

OpenStudy (anonymous):

jiim_thompson5910 substract 2r from 3r

jimthompson5910 (jim_thompson5910):

good, giving you what?

OpenStudy (anonymous):

1r

OpenStudy (anonymous):

1r-5=13

OpenStudy (anonymous):

r=18

jimthompson5910 (jim_thompson5910):

yes, r = 18 is your final answer

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