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Whats the answer im stuck ( -___-)

Whats the answer im stuck ( -___-)-example-1
User Petkostas
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1 Answer

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Answer:

(6r+7)+(13+7r)=13r+20

(13-1/2r)-(1-r)=12-1/2r

(-8-r)+(2r-4)=-12+r

Last one is r-13/6

Explanation:

User Chopss
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