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In the equation -2(2-r)=4(5-r) what is r?

In the equation -2(2-r)=4(5-r) what is r?
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In the equation -2(2-r)=4(5-r) what is r?

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User Chip Hogg
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-2(2-r)=4(5-r)\\ -4+2r=20-4r\\ 6r=24\\ r=4
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User Mona The Monad
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