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2r-(5-r)=13+2r
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2r-(5-r)=13+2r 2r-5+r=13+2r ... Distribute 3r-5=13+2r ... Combine like terms. What's next?
2r-5+r = 13+2r 3r-5=13+2r 3r-2r=13+5 r=?
jiim_thompson5910 substract 2r from 3r
good, giving you what?
1r
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1r-5=13
r=18
yes, r = 18 is your final answer
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